491013960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6947}}^1$

素因数の和:7011

約数の個数: 128

約数和(自身を含む): 1600819200

約数和(自身を除く): 1109805240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5890, 6947, 7068, 8835, 11780, 13894, 14136, 17670, 20841, 23560, 27788, 34735, 35340, 41682, 55576, 69470, 70680, 83364, 104205, 131993, 138940, 166728, 208410, 215357, 263986, 277880, 395979, 416820, 430714, 527972, 646071, 659965, 791958, 833640, 861428, 1055944, 1076785, 1292142, 1319930, 1583916, 1722856, 1979895, 2153570, 2584284, 2639860, 3167832, 3230355, 3959790, 4091783, 4307140, 5168568, 5279720, 6460710, 7919580, 8183566, 8614280, 12275349, 12921420, 15839160, 16367132, 20458915, 24550698, 25842840, 32734264, 40917830, 49101396, 61376745, 81835660, 98202792, 122753490, 163671320, 245506980, 491013960]

約数ペア:

[(1, 491013960), (2, 245506980), (3, 163671320), (4, 122753490), (5, 98202792), (6, 81835660), (8, 61376745), (10, 49101396), (12, 40917830), (15, 32734264), (19, 25842840), (20, 24550698), (24, 20458915), (30, 16367132), (31, 15839160), (38, 12921420), (40, 12275349), (57, 8614280), (60, 8183566), (62, 7919580), (76, 6460710), (93, 5279720), (95, 5168568), (114, 4307140), (120, 4091783), (124, 3959790), (152, 3230355), (155, 3167832), (186, 2639860), (190, 2584284), (228, 2153570), (248, 1979895), (285, 1722856), (310, 1583916), (372, 1319930), (380, 1292142), (456, 1076785), (465, 1055944), (570, 861428), (589, 833640), (620, 791958), (744, 659965), (760, 646071), (930, 527972), (1140, 430714), (1178, 416820), (1240, 395979), (1767, 277880), (1860, 263986), (2280, 215357), (2356, 208410), (2945, 166728), (3534, 138940), (3720, 131993), (4712, 104205), (5890, 83364), (6947, 70680), (7068, 69470), (8835, 55576), (11780, 41682), (13894, 35340), (14136, 34735), (17670, 27788), (20841, 23560)]