638895120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1213

約数の個数: 160

約数和(自身を含む): 2072248320

約数和(自身を除く): 1433353200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 79, 80, 93, 120, 124, 155, 158, 186, 237, 240, 248, 310, 316, 372, 395, 465, 474, 496, 620, 632, 744, 790, 930, 948, 1087, 1185, 1240, 1264, 1488, 1580, 1860, 1896, 2174, 2370, 2449, 2480, 3160, 3261, 3720, 3792, 4348, 4740, 4898, 5435, 6320, 6522, 7347, 7440, 8696, 9480, 9796, 10870, 12245, 13044, 14694, 16305, 17392, 18960, 19592, 21740, 24490, 26088, 29388, 32610, 33697, 36735, 39184, 43480, 48980, 52176, 58776, 65220, 67394, 73470, 85873, 86960, 97960, 101091, 117552, 130440, 134788, 146940, 168485, 171746, 195920, 202182, 257619, 260880, 269576, 293880, 336970, 343492, 404364, 429365, 505455, 515238, 539152, 587760, 673940, 686984, 808728, 858730, 1010910, 1030476, 1288095, 1347880, 1373968, 1617456, 1717460, 2021820, 2060952, 2576190, 2662063, 2695760, 3434920, 4043640, 4121904, 5152380, 5324126, 6869840, 7986189, 8087280, 10304760, 10648252, 13310315, 15972378, 20609520, 21296504, 26620630, 31944756, 39930945, 42593008, 53241260, 63889512, 79861890, 106482520, 127779024, 159723780, 212965040, 319447560, 638895120]

約数ペア:

[(1, 638895120), (2, 319447560), (3, 212965040), (4, 159723780), (5, 127779024), (6, 106482520), (8, 79861890), (10, 63889512), (12, 53241260), (15, 42593008), (16, 39930945), (20, 31944756), (24, 26620630), (30, 21296504), (31, 20609520), (40, 15972378), (48, 13310315), (60, 10648252), (62, 10304760), (79, 8087280), (80, 7986189), (93, 6869840), (120, 5324126), (124, 5152380), (155, 4121904), (158, 4043640), (186, 3434920), (237, 2695760), (240, 2662063), (248, 2576190), (310, 2060952), (316, 2021820), (372, 1717460), (395, 1617456), (465, 1373968), (474, 1347880), (496, 1288095), (620, 1030476), (632, 1010910), (744, 858730), (790, 808728), (930, 686984), (948, 673940), (1087, 587760), (1185, 539152), (1240, 515238), (1264, 505455), (1488, 429365), (1580, 404364), (1860, 343492), (1896, 336970), (2174, 293880), (2370, 269576), (2449, 260880), (2480, 257619), (3160, 202182), (3261, 195920), (3720, 171746), (3792, 168485), (4348, 146940), (4740, 134788), (4898, 130440), (5435, 117552), (6320, 101091), (6522, 97960), (7347, 86960), (7440, 85873), (8696, 73470), (9480, 67394), (9796, 65220), (10870, 58776), (12245, 52176), (13044, 48980), (14694, 43480), (16305, 39184), (17392, 36735), (18960, 33697), (19592, 32610), (21740, 29388), (24490, 26088)]