64796520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1435

約数の個数: 128

約数和(自身を含む): 214928640

約数和(自身を除く): 150132120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1381, 1564, 1955, 2040, 2346, 2760, 2762, 3128, 3910, 4143, 4692, 5524, 5865, 6905, 7820, 8286, 9384, 11048, 11730, 13810, 15640, 16572, 20715, 23460, 23477, 27620, 31763, 33144, 41430, 46920, 46954, 55240, 63526, 70431, 82860, 93908, 95289, 117385, 127052, 140862, 158815, 165720, 187816, 190578, 234770, 254104, 281724, 317630, 352155, 381156, 469540, 476445, 539971, 563448, 635260, 704310, 762312, 939080, 952890, 1079942, 1270520, 1408620, 1619913, 1905780, 2159884, 2699855, 2817240, 3239826, 3811560, 4319768, 5399710, 6479652, 8099565, 10799420, 12959304, 16199130, 21598840, 32398260, 64796520]

約数ペア:

[(1, 64796520), (2, 32398260), (3, 21598840), (4, 16199130), (5, 12959304), (6, 10799420), (8, 8099565), (10, 6479652), (12, 5399710), (15, 4319768), (17, 3811560), (20, 3239826), (23, 2817240), (24, 2699855), (30, 2159884), (34, 1905780), (40, 1619913), (46, 1408620), (51, 1270520), (60, 1079942), (68, 952890), (69, 939080), (85, 762312), (92, 704310), (102, 635260), (115, 563448), (120, 539971), (136, 476445), (138, 469540), (170, 381156), (184, 352155), (204, 317630), (230, 281724), (255, 254104), (276, 234770), (340, 190578), (345, 187816), (391, 165720), (408, 158815), (460, 140862), (510, 127052), (552, 117385), (680, 95289), (690, 93908), (782, 82860), (920, 70431), (1020, 63526), (1173, 55240), (1380, 46954), (1381, 46920), (1564, 41430), (1955, 33144), (2040, 31763), (2346, 27620), (2760, 23477), (2762, 23460), (3128, 20715), (3910, 16572), (4143, 15640), (4692, 13810), (5524, 11730), (5865, 11048), (6905, 9384), (7820, 8286)]