15819440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 160

約数和(自身を含む): 47246976

約数和(自身を除く): 31427536

約数列:

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

約数ペア:

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