28896660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 96589584

約数和(自身を除く): 67692924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 233, 234, 260, 265, 318, 390, 466, 468, 477, 530, 585, 636, 689, 699, 780, 795, 932, 954, 1060, 1165, 1170, 1378, 1398, 1590, 1908, 2067, 2097, 2330, 2340, 2385, 2756, 2796, 3029, 3180, 3445, 3495, 4134, 4194, 4660, 4770, 6058, 6201, 6890, 6990, 8268, 8388, 9087, 9540, 10335, 10485, 12116, 12349, 12402, 13780, 13980, 15145, 18174, 20670, 20970, 24698, 24804, 27261, 30290, 31005, 36348, 37047, 41340, 41940, 45435, 49396, 54522, 60580, 61745, 62010, 74094, 90870, 109044, 111141, 123490, 124020, 136305, 148188, 160537, 181740, 185235, 222282, 246980, 272610, 321074, 370470, 444564, 481611, 545220, 555705, 642148, 740940, 802685, 963222, 1111410, 1444833, 1605370, 1926444, 2222820, 2408055, 2889666, 3210740, 4816110, 5779332, 7224165, 9632220, 14448330, 28896660]

約数ペア:

[(1, 28896660), (2, 14448330), (3, 9632220), (4, 7224165), (5, 5779332), (6, 4816110), (9, 3210740), (10, 2889666), (12, 2408055), (13, 2222820), (15, 1926444), (18, 1605370), (20, 1444833), (26, 1111410), (30, 963222), (36, 802685), (39, 740940), (45, 642148), (52, 555705), (53, 545220), (60, 481611), (65, 444564), (78, 370470), (90, 321074), (106, 272610), (117, 246980), (130, 222282), (156, 185235), (159, 181740), (180, 160537), (195, 148188), (212, 136305), (233, 124020), (234, 123490), (260, 111141), (265, 109044), (318, 90870), (390, 74094), (466, 62010), (468, 61745), (477, 60580), (530, 54522), (585, 49396), (636, 45435), (689, 41940), (699, 41340), (780, 37047), (795, 36348), (932, 31005), (954, 30290), (1060, 27261), (1165, 24804), (1170, 24698), (1378, 20970), (1398, 20670), (1590, 18174), (1908, 15145), (2067, 13980), (2097, 13780), (2330, 12402), (2340, 12349), (2385, 12116), (2756, 10485), (2796, 10335), (3029, 9540), (3180, 9087), (3445, 8388), (3495, 8268), (4134, 6990), (4194, 6890), (4660, 6201), (4770, 6058)]