28415070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54528930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 87, 90, 95, 114, 135, 145, 171, 174, 190, 191, 261, 270, 285, 290, 342, 382, 435, 513, 522, 551, 570, 573, 783, 855, 870, 955, 1026, 1102, 1146, 1305, 1566, 1653, 1710, 1719, 1910, 2565, 2610, 2755, 2865, 3306, 3438, 3629, 3915, 4959, 5130, 5157, 5510, 5539, 5730, 7258, 7830, 8265, 8595, 9918, 10314, 10887, 11078, 14877, 16530, 16617, 17190, 18145, 21774, 24795, 25785, 27695, 29754, 32661, 33234, 36290, 49590, 49851, 51570, 54435, 55390, 65322, 74385, 83085, 97983, 99702, 105241, 108870, 148770, 149553, 163305, 166170, 195966, 210482, 249255, 299106, 315723, 326610, 489915, 498510, 526205, 631446, 747765, 947169, 979830, 1052410, 1495530, 1578615, 1894338, 2841507, 3157230, 4735845, 5683014, 9471690, 14207535, 28415070]

約数ペア:

[(1, 28415070), (2, 14207535), (3, 9471690), (5, 5683014), (6, 4735845), (9, 3157230), (10, 2841507), (15, 1894338), (18, 1578615), (19, 1495530), (27, 1052410), (29, 979830), (30, 947169), (38, 747765), (45, 631446), (54, 526205), (57, 498510), (58, 489915), (87, 326610), (90, 315723), (95, 299106), (114, 249255), (135, 210482), (145, 195966), (171, 166170), (174, 163305), (190, 149553), (191, 148770), (261, 108870), (270, 105241), (285, 99702), (290, 97983), (342, 83085), (382, 74385), (435, 65322), (513, 55390), (522, 54435), (551, 51570), (570, 49851), (573, 49590), (783, 36290), (855, 33234), (870, 32661), (955, 29754), (1026, 27695), (1102, 25785), (1146, 24795), (1305, 21774), (1566, 18145), (1653, 17190), (1710, 16617), (1719, 16530), (1910, 14877), (2565, 11078), (2610, 10887), (2755, 10314), (2865, 9918), (3306, 8595), (3438, 8265), (3629, 7830), (3915, 7258), (4959, 5730), (5130, 5539), (5157, 5510)]