291968040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26737}}^1$

素因数の和:26771

約数の個数: 128

約数和(自身を含む): 1078076160

約数和(自身を除く): 786108120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 26737, 53474, 80211, 106948, 133685, 160422, 187159, 213896, 267370, 320844, 347581, 374318, 401055, 534740, 561477, 641688, 695162, 748636, 802110, 935795, 1042743, 1069480, 1122954, 1390324, 1497272, 1604220, 1737905, 1871590, 2085486, 2245908, 2433067, 2780648, 2807385, 3208440, 3475810, 3743180, 4170972, 4491816, 4866134, 5213715, 5614770, 6951620, 7299201, 7486360, 8341944, 9732268, 10427430, 11229540, 12165335, 13903240, 14598402, 19464536, 20854860, 22459080, 24330670, 29196804, 36496005, 41709720, 48661340, 58393608, 72992010, 97322680, 145984020, 291968040]

約数ペア:

[(1, 291968040), (2, 145984020), (3, 97322680), (4, 72992010), (5, 58393608), (6, 48661340), (7, 41709720), (8, 36496005), (10, 29196804), (12, 24330670), (13, 22459080), (14, 20854860), (15, 19464536), (20, 14598402), (21, 13903240), (24, 12165335), (26, 11229540), (28, 10427430), (30, 9732268), (35, 8341944), (39, 7486360), (40, 7299201), (42, 6951620), (52, 5614770), (56, 5213715), (60, 4866134), (65, 4491816), (70, 4170972), (78, 3743180), (84, 3475810), (91, 3208440), (104, 2807385), (105, 2780648), (120, 2433067), (130, 2245908), (140, 2085486), (156, 1871590), (168, 1737905), (182, 1604220), (195, 1497272), (210, 1390324), (260, 1122954), (273, 1069480), (280, 1042743), (312, 935795), (364, 802110), (390, 748636), (420, 695162), (455, 641688), (520, 561477), (546, 534740), (728, 401055), (780, 374318), (840, 347581), (910, 320844), (1092, 267370), (1365, 213896), (1560, 187159), (1820, 160422), (2184, 133685), (2730, 106948), (3640, 80211), (5460, 53474), (10920, 26737)]