28660740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 87306240

約数和(自身を除く): 58645500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 811, 930, 1140, 1178, 1622, 1767, 1860, 2356, 2433, 2945, 3244, 3534, 4055, 4866, 5890, 7068, 8110, 8835, 9732, 11780, 12165, 15409, 16220, 17670, 24330, 25141, 30818, 35340, 46227, 48660, 50282, 61636, 75423, 77045, 92454, 100564, 125705, 150846, 154090, 184908, 231135, 251410, 301692, 308180, 377115, 462270, 477679, 502820, 754230, 924540, 955358, 1433037, 1508460, 1910716, 2388395, 2866074, 4776790, 5732148, 7165185, 9553580, 14330370, 28660740]

約数ペア:

[(1, 28660740), (2, 14330370), (3, 9553580), (4, 7165185), (5, 5732148), (6, 4776790), (10, 2866074), (12, 2388395), (15, 1910716), (19, 1508460), (20, 1433037), (30, 955358), (31, 924540), (38, 754230), (57, 502820), (60, 477679), (62, 462270), (76, 377115), (93, 308180), (95, 301692), (114, 251410), (124, 231135), (155, 184908), (186, 154090), (190, 150846), (228, 125705), (285, 100564), (310, 92454), (372, 77045), (380, 75423), (465, 61636), (570, 50282), (589, 48660), (620, 46227), (811, 35340), (930, 30818), (1140, 25141), (1178, 24330), (1622, 17670), (1767, 16220), (1860, 15409), (2356, 12165), (2433, 11780), (2945, 9732), (3244, 8835), (3534, 8110), (4055, 7068), (4866, 5890)]