31638880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 96018048

約数和(自身を除く): 64379168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 52, 53, 56, 65, 70, 80, 82, 91, 104, 106, 112, 130, 140, 160, 164, 182, 205, 208, 212, 224, 260, 265, 280, 287, 328, 364, 371, 410, 416, 424, 455, 520, 530, 533, 560, 574, 656, 689, 728, 742, 820, 848, 910, 1040, 1060, 1066, 1120, 1148, 1312, 1378, 1435, 1456, 1484, 1640, 1696, 1820, 1855, 2080, 2120, 2132, 2173, 2296, 2665, 2756, 2870, 2912, 2968, 3280, 3445, 3640, 3710, 3731, 4240, 4264, 4346, 4592, 4823, 5330, 5512, 5740, 5936, 6560, 6890, 7280, 7420, 7462, 8480, 8528, 8692, 9184, 9646, 10660, 10865, 11024, 11480, 11872, 13780, 14560, 14840, 14924, 15211, 17056, 17384, 18655, 19292, 21320, 21730, 22048, 22960, 24115, 27560, 28249, 29680, 29848, 30422, 34768, 37310, 38584, 42640, 43460, 45920, 48230, 55120, 56498, 59360, 59696, 60844, 69536, 74620, 76055, 77168, 85280, 86920, 96460, 110240, 112996, 119392, 121688, 141245, 149240, 152110, 154336, 173840, 192920, 197743, 225992, 243376, 282490, 298480, 304220, 347680, 385840, 395486, 451984, 486752, 564980, 596960, 608440, 771680, 790972, 903968, 988715, 1129960, 1216880, 1581944, 1977430, 2259920, 2433760, 3163888, 3954860, 4519840, 6327776, 7909720, 15819440, 31638880]

約数ペア:

[(1, 31638880), (2, 15819440), (4, 7909720), (5, 6327776), (7, 4519840), (8, 3954860), (10, 3163888), (13, 2433760), (14, 2259920), (16, 1977430), (20, 1581944), (26, 1216880), (28, 1129960), (32, 988715), (35, 903968), (40, 790972), (41, 771680), (52, 608440), (53, 596960), (56, 564980), (65, 486752), (70, 451984), (80, 395486), (82, 385840), (91, 347680), (104, 304220), (106, 298480), (112, 282490), (130, 243376), (140, 225992), (160, 197743), (164, 192920), (182, 173840), (205, 154336), (208, 152110), (212, 149240), (224, 141245), (260, 121688), (265, 119392), (280, 112996), (287, 110240), (328, 96460), (364, 86920), (371, 85280), (410, 77168), (416, 76055), (424, 74620), (455, 69536), (520, 60844), (530, 59696), (533, 59360), (560, 56498), (574, 55120), (656, 48230), (689, 45920), (728, 43460), (742, 42640), (820, 38584), (848, 37310), (910, 34768), (1040, 30422), (1060, 29848), (1066, 29680), (1120, 28249), (1148, 27560), (1312, 24115), (1378, 22960), (1435, 22048), (1456, 21730), (1484, 21320), (1640, 19292), (1696, 18655), (1820, 17384), (1855, 17056), (2080, 15211), (2120, 14924), (2132, 14840), (2173, 14560), (2296, 13780), (2665, 11872), (2756, 11480), (2870, 11024), (2912, 10865), (2968, 10660), (3280, 9646), (3445, 9184), (3640, 8692), (3710, 8528), (3731, 8480), (4240, 7462), (4264, 7420), (4346, 7280), (4592, 6890), (4823, 6560), (5330, 5936), (5512, 5740)]