628789980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115163}}^1$

素因数の和:115195

約数の個数: 96

約数和(自身を含む): 2166925824

約数和(自身を除く): 1538135844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 115163, 230326, 345489, 460652, 575815, 690978, 806141, 1151630, 1381956, 1497119, 1612282, 1727445, 2303260, 2418423, 2994238, 3224564, 3454890, 4030705, 4491357, 4836846, 5988476, 6909780, 7485595, 8061410, 8982714, 9673692, 10479833, 12092115, 14971190, 16122820, 17965428, 20959666, 22456785, 24184230, 29942380, 31439499, 41919332, 44913570, 48368460, 52399165, 62878998, 89827140, 104798330, 125757996, 157197495, 209596660, 314394990, 628789980]

約数ペア:

[(1, 628789980), (2, 314394990), (3, 209596660), (4, 157197495), (5, 125757996), (6, 104798330), (7, 89827140), (10, 62878998), (12, 52399165), (13, 48368460), (14, 44913570), (15, 41919332), (20, 31439499), (21, 29942380), (26, 24184230), (28, 22456785), (30, 20959666), (35, 17965428), (39, 16122820), (42, 14971190), (52, 12092115), (60, 10479833), (65, 9673692), (70, 8982714), (78, 8061410), (84, 7485595), (91, 6909780), (105, 5988476), (130, 4836846), (140, 4491357), (156, 4030705), (182, 3454890), (195, 3224564), (210, 2994238), (260, 2418423), (273, 2303260), (364, 1727445), (390, 1612282), (420, 1497119), (455, 1381956), (546, 1151630), (780, 806141), (910, 690978), (1092, 575815), (1365, 460652), (1820, 345489), (2730, 230326), (5460, 115163)]