72175440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 235699200

約数和(自身を除く): 163523760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 89, 93, 109, 120, 124, 155, 178, 186, 218, 240, 248, 267, 310, 327, 356, 372, 436, 445, 465, 496, 534, 545, 620, 654, 712, 744, 872, 890, 930, 1068, 1090, 1240, 1308, 1335, 1424, 1488, 1635, 1744, 1780, 1860, 2136, 2180, 2480, 2616, 2670, 2759, 3270, 3379, 3560, 3720, 4272, 4360, 5232, 5340, 5518, 6540, 6758, 7120, 7440, 8277, 8720, 9701, 10137, 10680, 11036, 13080, 13516, 13795, 16554, 16895, 19402, 20274, 21360, 22072, 26160, 27032, 27590, 29103, 33108, 33790, 38804, 40548, 41385, 44144, 48505, 50685, 54064, 55180, 58206, 66216, 67580, 77608, 81096, 82770, 97010, 101370, 110360, 116412, 132432, 135160, 145515, 155216, 162192, 165540, 194020, 202740, 220720, 232824, 270320, 291030, 300731, 331080, 388040, 405480, 465648, 582060, 601462, 662160, 776080, 810960, 902193, 1164120, 1202924, 1503655, 1804386, 2328240, 2405848, 3007310, 3608772, 4510965, 4811696, 6014620, 7217544, 9021930, 12029240, 14435088, 18043860, 24058480, 36087720, 72175440]

約数ペア:

[(1, 72175440), (2, 36087720), (3, 24058480), (4, 18043860), (5, 14435088), (6, 12029240), (8, 9021930), (10, 7217544), (12, 6014620), (15, 4811696), (16, 4510965), (20, 3608772), (24, 3007310), (30, 2405848), (31, 2328240), (40, 1804386), (48, 1503655), (60, 1202924), (62, 1164120), (80, 902193), (89, 810960), (93, 776080), (109, 662160), (120, 601462), (124, 582060), (155, 465648), (178, 405480), (186, 388040), (218, 331080), (240, 300731), (248, 291030), (267, 270320), (310, 232824), (327, 220720), (356, 202740), (372, 194020), (436, 165540), (445, 162192), (465, 155216), (496, 145515), (534, 135160), (545, 132432), (620, 116412), (654, 110360), (712, 101370), (744, 97010), (872, 82770), (890, 81096), (930, 77608), (1068, 67580), (1090, 66216), (1240, 58206), (1308, 55180), (1335, 54064), (1424, 50685), (1488, 48505), (1635, 44144), (1744, 41385), (1780, 40548), (1860, 38804), (2136, 33790), (2180, 33108), (2480, 29103), (2616, 27590), (2670, 27032), (2759, 26160), (3270, 22072), (3379, 21360), (3560, 20274), (3720, 19402), (4272, 16895), (4360, 16554), (5232, 13795), (5340, 13516), (5518, 13080), (6540, 11036), (6758, 10680), (7120, 10137), (7440, 9701), (8277, 8720)]