78358440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 252875520

約数和(自身を除く): 174517080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 340, 355, 408, 426, 510, 541, 568, 680, 710, 852, 1020, 1065, 1082, 1207, 1420, 1623, 1704, 2040, 2130, 2164, 2414, 2705, 2840, 3246, 3621, 4260, 4328, 4828, 5410, 6035, 6492, 7242, 8115, 8520, 9197, 9656, 10820, 12070, 12984, 14484, 16230, 18105, 18394, 21640, 24140, 27591, 28968, 32460, 36210, 36788, 38411, 45985, 48280, 55182, 64920, 72420, 73576, 76822, 91970, 110364, 115233, 137955, 144840, 153644, 183940, 192055, 220728, 230466, 275910, 307288, 367880, 384110, 460932, 551820, 576165, 652987, 768220, 921864, 1103640, 1152330, 1305974, 1536440, 1958961, 2304660, 2611948, 3264935, 3917922, 4609320, 5223896, 6529870, 7835844, 9794805, 13059740, 15671688, 19589610, 26119480, 39179220, 78358440]

約数ペア:

[(1, 78358440), (2, 39179220), (3, 26119480), (4, 19589610), (5, 15671688), (6, 13059740), (8, 9794805), (10, 7835844), (12, 6529870), (15, 5223896), (17, 4609320), (20, 3917922), (24, 3264935), (30, 2611948), (34, 2304660), (40, 1958961), (51, 1536440), (60, 1305974), (68, 1152330), (71, 1103640), (85, 921864), (102, 768220), (120, 652987), (136, 576165), (142, 551820), (170, 460932), (204, 384110), (213, 367880), (255, 307288), (284, 275910), (340, 230466), (355, 220728), (408, 192055), (426, 183940), (510, 153644), (541, 144840), (568, 137955), (680, 115233), (710, 110364), (852, 91970), (1020, 76822), (1065, 73576), (1082, 72420), (1207, 64920), (1420, 55182), (1623, 48280), (1704, 45985), (2040, 38411), (2130, 36788), (2164, 36210), (2414, 32460), (2705, 28968), (2840, 27591), (3246, 24140), (3621, 21640), (4260, 18394), (4328, 18105), (4828, 16230), (5410, 14484), (6035, 12984), (6492, 12070), (7242, 10820), (8115, 9656), (8520, 9197)]