72311840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 179988480

約数和(自身を除く): 107676640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 239, 244, 248, 305, 310, 478, 488, 496, 610, 620, 956, 976, 992, 1195, 1220, 1240, 1891, 1912, 1952, 2390, 2440, 2480, 3782, 3824, 4780, 4880, 4960, 7409, 7564, 7648, 9455, 9560, 9760, 14579, 14818, 15128, 18910, 19120, 29158, 29636, 30256, 37045, 37820, 38240, 58316, 59272, 60512, 72895, 74090, 75640, 116632, 118544, 145790, 148180, 151280, 233264, 237088, 291580, 296360, 302560, 451949, 466528, 583160, 592720, 903898, 1166320, 1185440, 1807796, 2259745, 2332640, 3615592, 4519490, 7231184, 9038980, 14462368, 18077960, 36155920, 72311840]

約数ペア:

[(1, 72311840), (2, 36155920), (4, 18077960), (5, 14462368), (8, 9038980), (10, 7231184), (16, 4519490), (20, 3615592), (31, 2332640), (32, 2259745), (40, 1807796), (61, 1185440), (62, 1166320), (80, 903898), (122, 592720), (124, 583160), (155, 466528), (160, 451949), (239, 302560), (244, 296360), (248, 291580), (305, 237088), (310, 233264), (478, 151280), (488, 148180), (496, 145790), (610, 118544), (620, 116632), (956, 75640), (976, 74090), (992, 72895), (1195, 60512), (1220, 59272), (1240, 58316), (1891, 38240), (1912, 37820), (1952, 37045), (2390, 30256), (2440, 29636), (2480, 29158), (3782, 19120), (3824, 18910), (4780, 15128), (4880, 14818), (4960, 14579), (7409, 9760), (7564, 9560), (7648, 9455)]