72146620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:852

約数の個数: 96

約数和(自身を含む): 190512000

約数和(自身を除く): 118365380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 637, 686, 809, 910, 980, 1274, 1372, 1618, 1715, 1820, 2548, 3185, 3236, 3430, 4045, 4459, 5663, 6370, 6860, 8090, 8918, 10517, 11326, 12740, 16180, 17836, 21034, 22295, 22652, 28315, 39641, 42068, 44590, 52585, 56630, 73619, 79282, 89180, 105170, 113260, 147238, 158564, 198205, 210340, 277487, 294476, 368095, 396410, 515333, 554974, 736190, 792820, 1030666, 1109948, 1387435, 1472380, 2061332, 2576665, 2774870, 3607331, 5153330, 5549740, 7214662, 10306660, 14429324, 18036655, 36073310, 72146620]

約数ペア:

[(1, 72146620), (2, 36073310), (4, 18036655), (5, 14429324), (7, 10306660), (10, 7214662), (13, 5549740), (14, 5153330), (20, 3607331), (26, 2774870), (28, 2576665), (35, 2061332), (49, 1472380), (52, 1387435), (65, 1109948), (70, 1030666), (91, 792820), (98, 736190), (130, 554974), (140, 515333), (182, 396410), (196, 368095), (245, 294476), (260, 277487), (343, 210340), (364, 198205), (455, 158564), (490, 147238), (637, 113260), (686, 105170), (809, 89180), (910, 79282), (980, 73619), (1274, 56630), (1372, 52585), (1618, 44590), (1715, 42068), (1820, 39641), (2548, 28315), (3185, 22652), (3236, 22295), (3430, 21034), (4045, 17836), (4459, 16180), (5663, 12740), (6370, 11326), (6860, 10517), (8090, 8918)]