28527750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 79822080

約数和(自身を除く): 51294330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 125, 150, 155, 186, 225, 250, 279, 310, 375, 409, 450, 465, 558, 750, 775, 818, 930, 1125, 1227, 1395, 1550, 2045, 2250, 2325, 2454, 2790, 3681, 3875, 4090, 4650, 6135, 6975, 7362, 7750, 10225, 11625, 12270, 12679, 13950, 18405, 20450, 23250, 25358, 30675, 34875, 36810, 38037, 51125, 61350, 63395, 69750, 76074, 92025, 102250, 114111, 126790, 153375, 184050, 190185, 228222, 306750, 316975, 380370, 460125, 570555, 633950, 920250, 950925, 1141110, 1584875, 1901850, 2852775, 3169750, 4754625, 5705550, 9509250, 14263875, 28527750]

約数ペア:

[(1, 28527750), (2, 14263875), (3, 9509250), (5, 5705550), (6, 4754625), (9, 3169750), (10, 2852775), (15, 1901850), (18, 1584875), (25, 1141110), (30, 950925), (31, 920250), (45, 633950), (50, 570555), (62, 460125), (75, 380370), (90, 316975), (93, 306750), (125, 228222), (150, 190185), (155, 184050), (186, 153375), (225, 126790), (250, 114111), (279, 102250), (310, 92025), (375, 76074), (409, 69750), (450, 63395), (465, 61350), (558, 51125), (750, 38037), (775, 36810), (818, 34875), (930, 30675), (1125, 25358), (1227, 23250), (1395, 20450), (1550, 18405), (2045, 13950), (2250, 12679), (2325, 12270), (2454, 11625), (2790, 10225), (3681, 7750), (3875, 7362), (4090, 6975), (4650, 6135)]