1643460

素因数分解:

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

素因数の和:82

約数の個数: 144

約数和(自身を含む): 5898816

約数和(自身を除く): 4255356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 43, 49, 52, 60, 65, 70, 78, 84, 86, 91, 98, 105, 129, 130, 140, 147, 156, 172, 182, 195, 196, 210, 215, 245, 258, 260, 273, 294, 301, 364, 390, 420, 430, 455, 490, 516, 546, 559, 588, 602, 637, 645, 735, 780, 860, 903, 910, 980, 1092, 1118, 1204, 1274, 1290, 1365, 1470, 1505, 1677, 1806, 1820, 1911, 2107, 2236, 2548, 2580, 2730, 2795, 2940, 3010, 3185, 3354, 3612, 3822, 3913, 4214, 4515, 5460, 5590, 6020, 6321, 6370, 6708, 7644, 7826, 8385, 8428, 9030, 9555, 10535, 11180, 11739, 12642, 12740, 15652, 16770, 18060, 19110, 19565, 21070, 23478, 25284, 27391, 31605, 33540, 38220, 39130, 42140, 46956, 54782, 58695, 63210, 78260, 82173, 109564, 117390, 126420, 136955, 164346, 234780, 273910, 328692, 410865, 547820, 821730, 1643460]

約数ペア:

[(1, 1643460), (2, 821730), (3, 547820), (4, 410865), (5, 328692), (6, 273910), (7, 234780), (10, 164346), (12, 136955), (13, 126420), (14, 117390), (15, 109564), (20, 82173), (21, 78260), (26, 63210), (28, 58695), (30, 54782), (35, 46956), (39, 42140), (42, 39130), (43, 38220), (49, 33540), (52, 31605), (60, 27391), (65, 25284), (70, 23478), (78, 21070), (84, 19565), (86, 19110), (91, 18060), (98, 16770), (105, 15652), (129, 12740), (130, 12642), (140, 11739), (147, 11180), (156, 10535), (172, 9555), (182, 9030), (195, 8428), (196, 8385), (210, 7826), (215, 7644), (245, 6708), (258, 6370), (260, 6321), (273, 6020), (294, 5590), (301, 5460), (364, 4515), (390, 4214), (420, 3913), (430, 3822), (455, 3612), (490, 3354), (516, 3185), (546, 3010), (559, 2940), (588, 2795), (602, 2730), (637, 2580), (645, 2548), (735, 2236), (780, 2107), (860, 1911), (903, 1820), (910, 1806), (980, 1677), (1092, 1505), (1118, 1470), (1204, 1365), (1274, 1290)]