28518750

素因数分解:

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

素因数の和:62

約数の個数: 144

約数和(自身を含む): 85775760

約数和(自身を除く): 57257010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 125, 130, 135, 150, 169, 195, 225, 234, 250, 270, 325, 338, 351, 375, 390, 450, 507, 585, 625, 650, 675, 702, 750, 845, 975, 1014, 1125, 1170, 1250, 1350, 1521, 1625, 1690, 1755, 1875, 1950, 2250, 2535, 2925, 3042, 3125, 3250, 3375, 3510, 3750, 4225, 4563, 4875, 5070, 5625, 5850, 6250, 6750, 7605, 8125, 8450, 8775, 9126, 9375, 9750, 11250, 12675, 14625, 15210, 16250, 16875, 17550, 18750, 21125, 22815, 24375, 25350, 28125, 29250, 33750, 38025, 40625, 42250, 43875, 45630, 48750, 56250, 63375, 73125, 76050, 81250, 84375, 87750, 105625, 114075, 121875, 126750, 146250, 168750, 190125, 211250, 219375, 228150, 243750, 316875, 365625, 380250, 438750, 528125, 570375, 633750, 731250, 950625, 1056250, 1096875, 1140750, 1584375, 1901250, 2193750, 2851875, 3168750, 4753125, 5703750, 9506250, 14259375, 28518750]

約数ペア:

[(1, 28518750), (2, 14259375), (3, 9506250), (5, 5703750), (6, 4753125), (9, 3168750), (10, 2851875), (13, 2193750), (15, 1901250), (18, 1584375), (25, 1140750), (26, 1096875), (27, 1056250), (30, 950625), (39, 731250), (45, 633750), (50, 570375), (54, 528125), (65, 438750), (75, 380250), (78, 365625), (90, 316875), (117, 243750), (125, 228150), (130, 219375), (135, 211250), (150, 190125), (169, 168750), (195, 146250), (225, 126750), (234, 121875), (250, 114075), (270, 105625), (325, 87750), (338, 84375), (351, 81250), (375, 76050), (390, 73125), (450, 63375), (507, 56250), (585, 48750), (625, 45630), (650, 43875), (675, 42250), (702, 40625), (750, 38025), (845, 33750), (975, 29250), (1014, 28125), (1125, 25350), (1170, 24375), (1250, 22815), (1350, 21125), (1521, 18750), (1625, 17550), (1690, 16875), (1755, 16250), (1875, 15210), (1950, 14625), (2250, 12675), (2535, 11250), (2925, 9750), (3042, 9375), (3125, 9126), (3250, 8775), (3375, 8450), (3510, 8125), (3750, 7605), (4225, 6750), (4563, 6250), (4875, 5850), (5070, 5625)]