7909720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 22861440

約数和(自身を除く): 14951720

約数列:

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

約数ペア:

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