991996080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2739

約数の個数: 160

約数和(自身を含む): 3277290240

約数和(自身を除く): 2285294160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 83, 95, 114, 120, 152, 166, 190, 228, 240, 249, 285, 304, 332, 380, 415, 456, 498, 570, 664, 760, 830, 912, 996, 1140, 1245, 1328, 1520, 1577, 1660, 1992, 2280, 2490, 2621, 3154, 3320, 3984, 4560, 4731, 4980, 5242, 6308, 6640, 7863, 7885, 9462, 9960, 10484, 12616, 13105, 15726, 15770, 18924, 19920, 20968, 23655, 25232, 26210, 31452, 31540, 37848, 39315, 41936, 47310, 49799, 52420, 62904, 63080, 75696, 78630, 94620, 99598, 104840, 125808, 126160, 149397, 157260, 189240, 199196, 209680, 217543, 248995, 298794, 314520, 378480, 398392, 435086, 497990, 597588, 629040, 652629, 746985, 796784, 870172, 995980, 1087715, 1195176, 1305258, 1493970, 1740344, 1991960, 2175430, 2390352, 2610516, 2987940, 3263145, 3480688, 3983920, 4133317, 4350860, 5221032, 5975880, 6526290, 8266634, 8701720, 10442064, 11951760, 12399951, 13052580, 16533268, 17403440, 20666585, 24799902, 26105160, 33066536, 41333170, 49599804, 52210320, 61999755, 66133072, 82666340, 99199608, 123999510, 165332680, 198399216, 247999020, 330665360, 495998040, 991996080]

約数ペア:

[(1, 991996080), (2, 495998040), (3, 330665360), (4, 247999020), (5, 198399216), (6, 165332680), (8, 123999510), (10, 99199608), (12, 82666340), (15, 66133072), (16, 61999755), (19, 52210320), (20, 49599804), (24, 41333170), (30, 33066536), (38, 26105160), (40, 24799902), (48, 20666585), (57, 17403440), (60, 16533268), (76, 13052580), (80, 12399951), (83, 11951760), (95, 10442064), (114, 8701720), (120, 8266634), (152, 6526290), (166, 5975880), (190, 5221032), (228, 4350860), (240, 4133317), (249, 3983920), (285, 3480688), (304, 3263145), (332, 2987940), (380, 2610516), (415, 2390352), (456, 2175430), (498, 1991960), (570, 1740344), (664, 1493970), (760, 1305258), (830, 1195176), (912, 1087715), (996, 995980), (1140, 870172), (1245, 796784), (1328, 746985), (1520, 652629), (1577, 629040), (1660, 597588), (1992, 497990), (2280, 435086), (2490, 398392), (2621, 378480), (3154, 314520), (3320, 298794), (3984, 248995), (4560, 217543), (4731, 209680), (4980, 199196), (5242, 189240), (6308, 157260), (6640, 149397), (7863, 126160), (7885, 125808), (9462, 104840), (9960, 99598), (10484, 94620), (12616, 78630), (13105, 75696), (15726, 63080), (15770, 62904), (18924, 52420), (19920, 49799), (20968, 47310), (23655, 41936), (25232, 39315), (26210, 37848), (31452, 31540)]