1989968040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2621}}^1$

素因数の和:2697

約数の個数: 256

約数和(自身を含む): 7173792000

約数和(自身を除く): 5183823960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 37, 38, 40, 45, 54, 57, 60, 72, 74, 76, 90, 95, 108, 111, 114, 120, 135, 148, 152, 171, 180, 185, 190, 216, 222, 228, 270, 285, 296, 333, 342, 360, 370, 380, 444, 456, 513, 540, 555, 570, 666, 684, 703, 740, 760, 855, 888, 999, 1026, 1080, 1110, 1140, 1332, 1368, 1406, 1480, 1665, 1710, 1998, 2052, 2109, 2220, 2280, 2565, 2621, 2664, 2812, 3330, 3420, 3515, 3996, 4104, 4218, 4440, 4995, 5130, 5242, 5624, 6327, 6660, 6840, 7030, 7863, 7992, 8436, 9990, 10260, 10484, 10545, 12654, 13105, 13320, 14060, 15726, 16872, 18981, 19980, 20520, 20968, 21090, 23589, 25308, 26210, 28120, 31452, 31635, 37962, 39315, 39960, 42180, 47178, 49799, 50616, 52420, 62904, 63270, 70767, 75924, 78630, 84360, 94356, 94905, 96977, 99598, 104840, 117945, 126540, 141534, 149397, 151848, 157260, 188712, 189810, 193954, 199196, 235890, 248995, 253080, 283068, 290931, 298794, 314520, 353835, 379620, 387908, 398392, 448191, 471780, 484885, 497990, 566136, 581862, 597588, 707670, 746985, 759240, 775816, 872793, 896382, 943560, 969770, 995980, 1163724, 1195176, 1344573, 1415340, 1454655, 1493970, 1745586, 1792764, 1842563, 1939540, 1991960, 2240955, 2327448, 2618379, 2689146, 2830680, 2909310, 2987940, 3491172, 3585528, 3685126, 3879080, 4363965, 4481910, 5236758, 5378292, 5527689, 5818620, 5975880, 6722865, 6982344, 7370252, 8727930, 8963820, 9212815, 10473516, 10756584, 11055378, 11637240, 13091895, 13445730, 14740504, 16583067, 17455860, 17927640, 18425630, 20947032, 22110756, 26183790, 26891460, 27638445, 33166134, 34911720, 36851260, 44221512, 49749201, 52367580, 53782920, 55276890, 66332268, 73702520, 82915335, 99498402, 104735160, 110553780, 132664536, 165830670, 198996804, 221107560, 248746005, 331661340, 397993608, 497492010, 663322680, 994984020, 1989968040]

約数ペア:

[(1, 1989968040), (2, 994984020), (3, 663322680), (4, 497492010), (5, 397993608), (6, 331661340), (8, 248746005), (9, 221107560), (10, 198996804), (12, 165830670), (15, 132664536), (18, 110553780), (19, 104735160), (20, 99498402), (24, 82915335), (27, 73702520), (30, 66332268), (36, 55276890), (37, 53782920), (38, 52367580), (40, 49749201), (45, 44221512), (54, 36851260), (57, 34911720), (60, 33166134), (72, 27638445), (74, 26891460), (76, 26183790), (90, 22110756), (95, 20947032), (108, 18425630), (111, 17927640), (114, 17455860), (120, 16583067), (135, 14740504), (148, 13445730), (152, 13091895), (171, 11637240), (180, 11055378), (185, 10756584), (190, 10473516), (216, 9212815), (222, 8963820), (228, 8727930), (270, 7370252), (285, 6982344), (296, 6722865), (333, 5975880), (342, 5818620), (360, 5527689), (370, 5378292), (380, 5236758), (444, 4481910), (456, 4363965), (513, 3879080), (540, 3685126), (555, 3585528), (570, 3491172), (666, 2987940), (684, 2909310), (703, 2830680), (740, 2689146), (760, 2618379), (855, 2327448), (888, 2240955), (999, 1991960), (1026, 1939540), (1080, 1842563), (1110, 1792764), (1140, 1745586), (1332, 1493970), (1368, 1454655), (1406, 1415340), (1480, 1344573), (1665, 1195176), (1710, 1163724), (1998, 995980), (2052, 969770), (2109, 943560), (2220, 896382), (2280, 872793), (2565, 775816), (2621, 759240), (2664, 746985), (2812, 707670), (3330, 597588), (3420, 581862), (3515, 566136), (3996, 497990), (4104, 484885), (4218, 471780), (4440, 448191), (4995, 398392), (5130, 387908), (5242, 379620), (5624, 353835), (6327, 314520), (6660, 298794), (6840, 290931), (7030, 283068), (7863, 253080), (7992, 248995), (8436, 235890), (9990, 199196), (10260, 193954), (10484, 189810), (10545, 188712), (12654, 157260), (13105, 151848), (13320, 149397), (14060, 141534), (15726, 126540), (16872, 117945), (18981, 104840), (19980, 99598), (20520, 96977), (20968, 94905), (21090, 94356), (23589, 84360), (25308, 78630), (26210, 75924), (28120, 70767), (31452, 63270), (31635, 62904), (37962, 52420), (39315, 50616), (39960, 49799), (42180, 47178)]