1639595880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18439}}^1$

素因数の和:18488

約数の個数: 192

約数和(自身を含む): 6040944000

約数和(自身を除く): 4401348120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1976, 2223, 2280, 2340, 2470, 2964, 3420, 3705, 4446, 4680, 4940, 5928, 6840, 7410, 8892, 9880, 11115, 14820, 17784, 18439, 22230, 29640, 36878, 44460, 55317, 73756, 88920, 92195, 110634, 147512, 165951, 184390, 221268, 239707, 276585, 331902, 350341, 368780, 442536, 479414, 553170, 663804, 700682, 719121, 737560, 829755, 958828, 1051023, 1106340, 1198535, 1327608, 1401364, 1438242, 1659510, 1751705, 1917656, 2102046, 2157363, 2212680, 2397070, 2802728, 2876484, 3153069, 3319020, 3503410, 3595605, 4204092, 4314726, 4554433, 4794140, 5255115, 5752968, 6306138, 6638040, 7006820, 7191210, 8408184, 8629452, 9108866, 9588280, 10510230, 10786815, 12612276, 13663299, 14013640, 14382420, 15765345, 17258904, 18217732, 21020460, 21573630, 22772165, 25224552, 27326598, 28764840, 31530690, 36435464, 40989897, 42040920, 43147260, 45544330, 54653196, 63061380, 68316495, 81979794, 86294520, 91088660, 109306392, 126122760, 136632990, 163959588, 182177320, 204949485, 273265980, 327919176, 409898970, 546531960, 819797940, 1639595880]

約数ペア:

[(1, 1639595880), (2, 819797940), (3, 546531960), (4, 409898970), (5, 327919176), (6, 273265980), (8, 204949485), (9, 182177320), (10, 163959588), (12, 136632990), (13, 126122760), (15, 109306392), (18, 91088660), (19, 86294520), (20, 81979794), (24, 68316495), (26, 63061380), (30, 54653196), (36, 45544330), (38, 43147260), (39, 42040920), (40, 40989897), (45, 36435464), (52, 31530690), (57, 28764840), (60, 27326598), (65, 25224552), (72, 22772165), (76, 21573630), (78, 21020460), (90, 18217732), (95, 17258904), (104, 15765345), (114, 14382420), (117, 14013640), (120, 13663299), (130, 12612276), (152, 10786815), (156, 10510230), (171, 9588280), (180, 9108866), (190, 8629452), (195, 8408184), (228, 7191210), (234, 7006820), (247, 6638040), (260, 6306138), (285, 5752968), (312, 5255115), (342, 4794140), (360, 4554433), (380, 4314726), (390, 4204092), (456, 3595605), (468, 3503410), (494, 3319020), (520, 3153069), (570, 2876484), (585, 2802728), (684, 2397070), (741, 2212680), (760, 2157363), (780, 2102046), (855, 1917656), (936, 1751705), (988, 1659510), (1140, 1438242), (1170, 1401364), (1235, 1327608), (1368, 1198535), (1482, 1106340), (1560, 1051023), (1710, 958828), (1976, 829755), (2223, 737560), (2280, 719121), (2340, 700682), (2470, 663804), (2964, 553170), (3420, 479414), (3705, 442536), (4446, 368780), (4680, 350341), (4940, 331902), (5928, 276585), (6840, 239707), (7410, 221268), (8892, 184390), (9880, 165951), (11115, 147512), (14820, 110634), (17784, 92195), (18439, 88920), (22230, 73756), (29640, 55317), (36878, 44460)]