645100920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2622

約数の個数: 192

約数和(自身を含む): 2267460000

約数和(自身を除く): 1622359080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 57, 60, 72, 74, 76, 90, 95, 111, 114, 120, 148, 152, 171, 180, 185, 190, 222, 228, 285, 296, 333, 342, 360, 370, 380, 444, 456, 555, 570, 666, 684, 703, 740, 760, 855, 888, 1110, 1140, 1332, 1368, 1406, 1480, 1665, 1710, 2109, 2220, 2280, 2549, 2664, 2812, 3330, 3420, 3515, 4218, 4440, 5098, 5624, 6327, 6660, 6840, 7030, 7647, 8436, 10196, 10545, 12654, 12745, 13320, 14060, 15294, 16872, 20392, 21090, 22941, 25308, 25490, 28120, 30588, 31635, 38235, 42180, 45882, 48431, 50616, 50980, 61176, 63270, 76470, 84360, 91764, 94313, 96862, 101960, 114705, 126540, 145293, 152940, 183528, 188626, 193724, 229410, 242155, 253080, 282939, 290586, 305880, 377252, 387448, 435879, 458820, 471565, 484310, 565878, 581172, 726465, 754504, 848817, 871758, 917640, 943130, 968620, 1131756, 1162344, 1414695, 1452930, 1697634, 1743516, 1791947, 1886260, 1937240, 2179395, 2263512, 2829390, 2905860, 3395268, 3487032, 3583894, 3772520, 4244085, 4358790, 5375841, 5658780, 5811720, 6790536, 7167788, 8488170, 8717580, 8959735, 10751682, 11317560, 14335576, 16127523, 16976340, 17435160, 17919470, 21503364, 26879205, 32255046, 33952680, 35838940, 43006728, 53758410, 64510092, 71677880, 80637615, 107516820, 129020184, 161275230, 215033640, 322550460, 645100920]

約数ペア:

[(1, 645100920), (2, 322550460), (3, 215033640), (4, 161275230), (5, 129020184), (6, 107516820), (8, 80637615), (9, 71677880), (10, 64510092), (12, 53758410), (15, 43006728), (18, 35838940), (19, 33952680), (20, 32255046), (24, 26879205), (30, 21503364), (36, 17919470), (37, 17435160), (38, 16976340), (40, 16127523), (45, 14335576), (57, 11317560), (60, 10751682), (72, 8959735), (74, 8717580), (76, 8488170), (90, 7167788), (95, 6790536), (111, 5811720), (114, 5658780), (120, 5375841), (148, 4358790), (152, 4244085), (171, 3772520), (180, 3583894), (185, 3487032), (190, 3395268), (222, 2905860), (228, 2829390), (285, 2263512), (296, 2179395), (333, 1937240), (342, 1886260), (360, 1791947), (370, 1743516), (380, 1697634), (444, 1452930), (456, 1414695), (555, 1162344), (570, 1131756), (666, 968620), (684, 943130), (703, 917640), (740, 871758), (760, 848817), (855, 754504), (888, 726465), (1110, 581172), (1140, 565878), (1332, 484310), (1368, 471565), (1406, 458820), (1480, 435879), (1665, 387448), (1710, 377252), (2109, 305880), (2220, 290586), (2280, 282939), (2549, 253080), (2664, 242155), (2812, 229410), (3330, 193724), (3420, 188626), (3515, 183528), (4218, 152940), (4440, 145293), (5098, 126540), (5624, 114705), (6327, 101960), (6660, 96862), (6840, 94313), (7030, 91764), (7647, 84360), (8436, 76470), (10196, 63270), (10545, 61176), (12654, 50980), (12745, 50616), (13320, 48431), (14060, 45882), (15294, 42180), (16872, 38235), (20392, 31635), (21090, 30588), (22941, 28120), (25308, 25490)]