355398880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1032

約数の個数: 96

約数和(自身を含む): 878653440

約数和(自身を除く): 523254560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 790, 907, 992, 1240, 1264, 1580, 1814, 2449, 2480, 2528, 3160, 3628, 4535, 4898, 4960, 6320, 7256, 9070, 9796, 12245, 12640, 14512, 18140, 19592, 24490, 28117, 29024, 36280, 39184, 48980, 56234, 71653, 72560, 78368, 97960, 112468, 140585, 143306, 145120, 195920, 224936, 281170, 286612, 358265, 391840, 449872, 562340, 573224, 716530, 899744, 1124680, 1146448, 1433060, 2221243, 2249360, 2292896, 2866120, 4442486, 4498720, 5732240, 8884972, 11106215, 11464480, 17769944, 22212430, 35539888, 44424860, 71079776, 88849720, 177699440, 355398880]

約数ペア:

[(1, 355398880), (2, 177699440), (4, 88849720), (5, 71079776), (8, 44424860), (10, 35539888), (16, 22212430), (20, 17769944), (31, 11464480), (32, 11106215), (40, 8884972), (62, 5732240), (79, 4498720), (80, 4442486), (124, 2866120), (155, 2292896), (158, 2249360), (160, 2221243), (248, 1433060), (310, 1146448), (316, 1124680), (395, 899744), (496, 716530), (620, 573224), (632, 562340), (790, 449872), (907, 391840), (992, 358265), (1240, 286612), (1264, 281170), (1580, 224936), (1814, 195920), (2449, 145120), (2480, 143306), (2528, 140585), (3160, 112468), (3628, 97960), (4535, 78368), (4898, 72560), (4960, 71653), (6320, 56234), (7256, 48980), (9070, 39184), (9796, 36280), (12245, 29024), (12640, 28117), (14512, 24490), (18140, 19592)]