1878240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 7451136

約数和(自身を除く): 5572896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 43, 48, 52, 56, 60, 65, 70, 78, 80, 84, 86, 91, 96, 104, 105, 112, 120, 129, 130, 140, 156, 160, 168, 172, 182, 195, 208, 210, 215, 224, 240, 258, 260, 273, 280, 301, 312, 336, 344, 364, 390, 416, 420, 430, 455, 480, 516, 520, 546, 559, 560, 602, 624, 645, 672, 688, 728, 780, 840, 860, 903, 910, 1032, 1040, 1092, 1118, 1120, 1204, 1248, 1290, 1365, 1376, 1456, 1505, 1560, 1677, 1680, 1720, 1806, 1820, 2064, 2080, 2184, 2236, 2408, 2580, 2730, 2795, 2912, 3010, 3120, 3354, 3360, 3440, 3612, 3640, 3913, 4128, 4368, 4472, 4515, 4816, 5160, 5460, 5590, 6020, 6240, 6708, 6880, 7224, 7280, 7826, 8385, 8736, 8944, 9030, 9632, 10320, 10920, 11180, 11739, 12040, 13416, 14448, 14560, 15652, 16770, 17888, 18060, 19565, 20640, 21840, 22360, 23478, 24080, 26832, 28896, 31304, 33540, 36120, 39130, 43680, 44720, 46956, 48160, 53664, 58695, 62608, 67080, 72240, 78260, 89440, 93912, 117390, 125216, 134160, 144480, 156520, 187824, 234780, 268320, 313040, 375648, 469560, 626080, 939120, 1878240]

約数ペア:

[(1, 1878240), (2, 939120), (3, 626080), (4, 469560), (5, 375648), (6, 313040), (7, 268320), (8, 234780), (10, 187824), (12, 156520), (13, 144480), (14, 134160), (15, 125216), (16, 117390), (20, 93912), (21, 89440), (24, 78260), (26, 72240), (28, 67080), (30, 62608), (32, 58695), (35, 53664), (39, 48160), (40, 46956), (42, 44720), (43, 43680), (48, 39130), (52, 36120), (56, 33540), (60, 31304), (65, 28896), (70, 26832), (78, 24080), (80, 23478), (84, 22360), (86, 21840), (91, 20640), (96, 19565), (104, 18060), (105, 17888), (112, 16770), (120, 15652), (129, 14560), (130, 14448), (140, 13416), (156, 12040), (160, 11739), (168, 11180), (172, 10920), (182, 10320), (195, 9632), (208, 9030), (210, 8944), (215, 8736), (224, 8385), (240, 7826), (258, 7280), (260, 7224), (273, 6880), (280, 6708), (301, 6240), (312, 6020), (336, 5590), (344, 5460), (364, 5160), (390, 4816), (416, 4515), (420, 4472), (430, 4368), (455, 4128), (480, 3913), (516, 3640), (520, 3612), (546, 3440), (559, 3360), (560, 3354), (602, 3120), (624, 3010), (645, 2912), (672, 2795), (688, 2730), (728, 2580), (780, 2408), (840, 2236), (860, 2184), (903, 2080), (910, 2064), (1032, 1820), (1040, 1806), (1092, 1720), (1118, 1680), (1120, 1677), (1204, 1560), (1248, 1505), (1290, 1456), (1365, 1376)]