72237440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 195056640

約数和(自身を除く): 122819200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 331, 341, 352, 440, 496, 620, 640, 662, 682, 704, 880, 992, 1240, 1324, 1364, 1408, 1655, 1705, 1760, 1984, 2480, 2648, 2728, 3310, 3410, 3520, 3641, 3968, 4960, 5296, 5456, 6620, 6820, 7040, 7282, 9920, 10261, 10592, 10912, 13240, 13640, 14564, 18205, 19840, 20522, 21184, 21824, 26480, 27280, 29128, 36410, 41044, 42368, 43648, 51305, 52960, 54560, 58256, 72820, 82088, 102610, 105920, 109120, 112871, 116512, 145640, 164176, 205220, 211840, 218240, 225742, 233024, 291280, 328352, 410440, 451484, 466048, 564355, 582560, 656704, 820880, 902968, 1128710, 1165120, 1313408, 1641760, 1805936, 2257420, 2330240, 3283520, 3611872, 4514840, 6567040, 7223744, 9029680, 14447488, 18059360, 36118720, 72237440]

約数ペア:

[(1, 72237440), (2, 36118720), (4, 18059360), (5, 14447488), (8, 9029680), (10, 7223744), (11, 6567040), (16, 4514840), (20, 3611872), (22, 3283520), (31, 2330240), (32, 2257420), (40, 1805936), (44, 1641760), (55, 1313408), (62, 1165120), (64, 1128710), (80, 902968), (88, 820880), (110, 656704), (124, 582560), (128, 564355), (155, 466048), (160, 451484), (176, 410440), (220, 328352), (248, 291280), (310, 233024), (320, 225742), (331, 218240), (341, 211840), (352, 205220), (440, 164176), (496, 145640), (620, 116512), (640, 112871), (662, 109120), (682, 105920), (704, 102610), (880, 82088), (992, 72820), (1240, 58256), (1324, 54560), (1364, 52960), (1408, 51305), (1655, 43648), (1705, 42368), (1760, 41044), (1984, 36410), (2480, 29128), (2648, 27280), (2728, 26480), (3310, 21824), (3410, 21184), (3520, 20522), (3641, 19840), (3968, 18205), (4960, 14564), (5296, 13640), (5456, 13240), (6620, 10912), (6820, 10592), (7040, 10261), (7282, 9920)]