21167139120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{6863}}^1$

素因数の和:7131

約数の個数: 160

約数和(自身を含む): 66919716864

約数和(自身を除く): 45752577744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 181, 213, 240, 284, 355, 362, 426, 543, 568, 710, 724, 852, 905, 1065, 1086, 1136, 1420, 1448, 1704, 1810, 2130, 2172, 2715, 2840, 2896, 3408, 3620, 4260, 4344, 5430, 5680, 6863, 7240, 8520, 8688, 10860, 12851, 13726, 14480, 17040, 20589, 21720, 25702, 27452, 34315, 38553, 41178, 43440, 51404, 54904, 64255, 68630, 77106, 82356, 102808, 102945, 109808, 128510, 137260, 154212, 164712, 192765, 205616, 205890, 257020, 274520, 308424, 329424, 385530, 411780, 487273, 514040, 549040, 616848, 771060, 823560, 974546, 1028080, 1242203, 1461819, 1542120, 1647120, 1949092, 2436365, 2484406, 2923638, 3084240, 3726609, 3898184, 4872730, 4968812, 5847276, 6211015, 7309095, 7453218, 7796368, 9745460, 9937624, 11694552, 12422030, 14618190, 14906436, 18633045, 19490920, 19875248, 23389104, 24844060, 29236380, 29812872, 37266090, 38981840, 49688120, 58472760, 59625744, 74532180, 88196413, 99376240, 116945520, 149064360, 176392826, 264589239, 298128720, 352785652, 440982065, 529178478, 705571304, 881964130, 1058356956, 1322946195, 1411142608, 1763928260, 2116713912, 2645892390, 3527856520, 4233427824, 5291784780, 7055713040, 10583569560, 21167139120]

約数ペア:

[(1, 21167139120), (2, 10583569560), (3, 7055713040), (4, 5291784780), (5, 4233427824), (6, 3527856520), (8, 2645892390), (10, 2116713912), (12, 1763928260), (15, 1411142608), (16, 1322946195), (20, 1058356956), (24, 881964130), (30, 705571304), (40, 529178478), (48, 440982065), (60, 352785652), (71, 298128720), (80, 264589239), (120, 176392826), (142, 149064360), (181, 116945520), (213, 99376240), (240, 88196413), (284, 74532180), (355, 59625744), (362, 58472760), (426, 49688120), (543, 38981840), (568, 37266090), (710, 29812872), (724, 29236380), (852, 24844060), (905, 23389104), (1065, 19875248), (1086, 19490920), (1136, 18633045), (1420, 14906436), (1448, 14618190), (1704, 12422030), (1810, 11694552), (2130, 9937624), (2172, 9745460), (2715, 7796368), (2840, 7453218), (2896, 7309095), (3408, 6211015), (3620, 5847276), (4260, 4968812), (4344, 4872730), (5430, 3898184), (5680, 3726609), (6863, 3084240), (7240, 2923638), (8520, 2484406), (8688, 2436365), (10860, 1949092), (12851, 1647120), (13726, 1542120), (14480, 1461819), (17040, 1242203), (20589, 1028080), (21720, 974546), (25702, 823560), (27452, 771060), (34315, 616848), (38553, 549040), (41178, 514040), (43440, 487273), (51404, 411780), (54904, 385530), (64255, 329424), (68630, 308424), (77106, 274520), (82356, 257020), (102808, 205890), (102945, 205616), (109808, 192765), (128510, 164712), (137260, 154212)]