640590320760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{502613}}^1$

素因数の和:502702

約数の個数: 256

約数和(自身を含む): 2229193612800

約数和(自身を除く): 1588603292040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 43, 52, 57, 60, 65, 76, 78, 86, 95, 104, 114, 120, 129, 130, 152, 156, 172, 190, 195, 215, 228, 247, 258, 260, 285, 312, 344, 380, 390, 430, 456, 494, 516, 520, 559, 570, 645, 741, 760, 780, 817, 860, 988, 1032, 1118, 1140, 1235, 1290, 1482, 1560, 1634, 1677, 1720, 1976, 2236, 2280, 2451, 2470, 2580, 2795, 2964, 3268, 3354, 3705, 4085, 4472, 4902, 4940, 5160, 5590, 5928, 6536, 6708, 7410, 8170, 8385, 9804, 9880, 10621, 11180, 12255, 13416, 14820, 16340, 16770, 19608, 21242, 22360, 24510, 29640, 31863, 32680, 33540, 42484, 49020, 53105, 63726, 67080, 84968, 98040, 106210, 127452, 159315, 212420, 254904, 318630, 424840, 502613, 637260, 1005226, 1274520, 1507839, 2010452, 2513065, 3015678, 4020904, 5026130, 6031356, 6533969, 7539195, 9549647, 10052260, 12062712, 13067938, 15078390, 19099294, 19601907, 20104520, 21612359, 26135876, 28648941, 30156780, 32669845, 38198588, 39203814, 43224718, 47748235, 52271752, 57297882, 60313560, 64837077, 65339690, 76397176, 78407628, 86449436, 95496470, 98009535, 108061795, 114595764, 124145411, 129674154, 130679380, 143244705, 156815256, 172898872, 190992940, 196019070, 216123590, 229191528, 248290822, 259348308, 261358760, 280960667, 286489410, 324185385, 372436233, 381985880, 392038140, 410634821, 432247180, 496581644, 518696616, 561921334, 572978820, 620727055, 648370770, 744872466, 784076280, 821269642, 842882001, 864494360, 993163288, 1123842668, 1145957640, 1231904463, 1241454110, 1296741540, 1404803335, 1489744932, 1642539284, 1685764002, 1862181165, 2053174105, 2247685336, 2463808926, 2482908220, 2593483080, 2809606670, 2979489864, 3285078568, 3371528004, 3724362330, 4106348210, 4214410005, 4927617852, 4965816440, 5338252673, 5619213340, 6159522315, 6743056008, 7448724660, 8212696420, 8428820010, 9855235704, 10676505346, 11238426680, 12319044630, 14897449320, 16014758019, 16425392840, 16857640020, 21353010692, 24638089260, 26691263365, 32029516038, 33715280040, 42706021384, 49276178520, 53382526730, 64059032076, 80073790095, 106765053460, 128118064152, 160147580190, 213530106920, 320295160380, 640590320760]

約数ペア:

[(1, 640590320760), (2, 320295160380), (3, 213530106920), (4, 160147580190), (5, 128118064152), (6, 106765053460), (8, 80073790095), (10, 64059032076), (12, 53382526730), (13, 49276178520), (15, 42706021384), (19, 33715280040), (20, 32029516038), (24, 26691263365), (26, 24638089260), (30, 21353010692), (38, 16857640020), (39, 16425392840), (40, 16014758019), (43, 14897449320), (52, 12319044630), (57, 11238426680), (60, 10676505346), (65, 9855235704), (76, 8428820010), (78, 8212696420), (86, 7448724660), (95, 6743056008), (104, 6159522315), (114, 5619213340), (120, 5338252673), (129, 4965816440), (130, 4927617852), (152, 4214410005), (156, 4106348210), (172, 3724362330), (190, 3371528004), (195, 3285078568), (215, 2979489864), (228, 2809606670), (247, 2593483080), (258, 2482908220), (260, 2463808926), (285, 2247685336), (312, 2053174105), (344, 1862181165), (380, 1685764002), (390, 1642539284), (430, 1489744932), (456, 1404803335), (494, 1296741540), (516, 1241454110), (520, 1231904463), (559, 1145957640), (570, 1123842668), (645, 993163288), (741, 864494360), (760, 842882001), (780, 821269642), (817, 784076280), (860, 744872466), (988, 648370770), (1032, 620727055), (1118, 572978820), (1140, 561921334), (1235, 518696616), (1290, 496581644), (1482, 432247180), (1560, 410634821), (1634, 392038140), (1677, 381985880), (1720, 372436233), (1976, 324185385), (2236, 286489410), (2280, 280960667), (2451, 261358760), (2470, 259348308), (2580, 248290822), (2795, 229191528), (2964, 216123590), (3268, 196019070), (3354, 190992940), (3705, 172898872), (4085, 156815256), (4472, 143244705), (4902, 130679380), (4940, 129674154), (5160, 124145411), (5590, 114595764), (5928, 108061795), (6536, 98009535), (6708, 95496470), (7410, 86449436), (8170, 78407628), (8385, 76397176), (9804, 65339690), (9880, 64837077), (10621, 60313560), (11180, 57297882), (12255, 52271752), (13416, 47748235), (14820, 43224718), (16340, 39203814), (16770, 38198588), (19608, 32669845), (21242, 30156780), (22360, 28648941), (24510, 26135876), (29640, 21612359), (31863, 20104520), (32680, 19601907), (33540, 19099294), (42484, 15078390), (49020, 13067938), (53105, 12062712), (63726, 10052260), (67080, 9549647), (84968, 7539195), (98040, 6533969), (106210, 6031356), (127452, 5026130), (159315, 4020904), (212420, 3015678), (254904, 2513065), (318630, 2010452), (424840, 1507839), (502613, 1274520), (637260, 1005226)]