30929940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 101477376

約数和(自身を除く): 70547436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 241, 276, 279, 310, 345, 372, 414, 460, 465, 482, 558, 620, 690, 713, 723, 828, 930, 964, 1035, 1116, 1205, 1380, 1395, 1426, 1446, 1860, 2070, 2139, 2169, 2410, 2790, 2852, 2892, 3565, 3615, 4140, 4278, 4338, 4820, 5543, 5580, 6417, 7130, 7230, 7471, 8556, 8676, 10695, 10845, 11086, 12834, 14260, 14460, 14942, 16629, 21390, 21690, 22172, 22413, 25668, 27715, 29884, 32085, 33258, 37355, 42780, 43380, 44826, 49887, 55430, 64170, 66516, 67239, 74710, 83145, 89652, 99774, 110860, 112065, 128340, 134478, 149420, 166290, 171833, 199548, 224130, 249435, 268956, 332580, 336195, 343666, 448260, 498870, 515499, 672390, 687332, 859165, 997740, 1030998, 1344780, 1546497, 1718330, 2061996, 2577495, 3092994, 3436660, 5154990, 6185988, 7732485, 10309980, 15464970, 30929940]

約数ペア:

[(1, 30929940), (2, 15464970), (3, 10309980), (4, 7732485), (5, 6185988), (6, 5154990), (9, 3436660), (10, 3092994), (12, 2577495), (15, 2061996), (18, 1718330), (20, 1546497), (23, 1344780), (30, 1030998), (31, 997740), (36, 859165), (45, 687332), (46, 672390), (60, 515499), (62, 498870), (69, 448260), (90, 343666), (92, 336195), (93, 332580), (115, 268956), (124, 249435), (138, 224130), (155, 199548), (180, 171833), (186, 166290), (207, 149420), (230, 134478), (241, 128340), (276, 112065), (279, 110860), (310, 99774), (345, 89652), (372, 83145), (414, 74710), (460, 67239), (465, 66516), (482, 64170), (558, 55430), (620, 49887), (690, 44826), (713, 43380), (723, 42780), (828, 37355), (930, 33258), (964, 32085), (1035, 29884), (1116, 27715), (1205, 25668), (1380, 22413), (1395, 22172), (1426, 21690), (1446, 21390), (1860, 16629), (2070, 14942), (2139, 14460), (2169, 14260), (2410, 12834), (2790, 11086), (2852, 10845), (2892, 10695), (3565, 8676), (3615, 8556), (4140, 7471), (4278, 7230), (4338, 7130), (4820, 6417), (5543, 5580)]