128456250

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 192

約数和(自身を含む): 377975808

約数和(自身を除く): 249519558

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 31, 34, 39, 50, 51, 62, 65, 75, 78, 85, 93, 102, 125, 130, 150, 155, 170, 186, 195, 221, 250, 255, 310, 325, 375, 390, 403, 425, 442, 465, 510, 527, 625, 650, 663, 750, 775, 806, 850, 930, 975, 1054, 1105, 1209, 1250, 1275, 1326, 1550, 1581, 1625, 1875, 1950, 2015, 2125, 2210, 2325, 2418, 2550, 2635, 3125, 3162, 3250, 3315, 3750, 3875, 4030, 4250, 4650, 4875, 5270, 5525, 6045, 6250, 6375, 6630, 6851, 7750, 7905, 8125, 9375, 9750, 10075, 10625, 11050, 11625, 12090, 12750, 13175, 13702, 15810, 16250, 16575, 18750, 19375, 20150, 20553, 21250, 23250, 24375, 26350, 27625, 30225, 31875, 33150, 34255, 38750, 39525, 40625, 41106, 48750, 50375, 53125, 55250, 58125, 60450, 63750, 65875, 68510, 79050, 81250, 82875, 96875, 100750, 102765, 106250, 116250, 121875, 131750, 138125, 151125, 159375, 165750, 171275, 193750, 197625, 205530, 243750, 251875, 276250, 290625, 302250, 318750, 329375, 342550, 395250, 414375, 503750, 513825, 581250, 658750, 690625, 755625, 828750, 856375, 988125, 1027650, 1259375, 1381250, 1511250, 1646875, 1712750, 1976250, 2071875, 2518750, 2569125, 3293750, 3778125, 4143750, 4281875, 4940625, 5138250, 7556250, 8563750, 9881250, 12845625, 21409375, 25691250, 42818750, 64228125, 128456250]

約数ペア:

[(1, 128456250), (2, 64228125), (3, 42818750), (5, 25691250), (6, 21409375), (10, 12845625), (13, 9881250), (15, 8563750), (17, 7556250), (25, 5138250), (26, 4940625), (30, 4281875), (31, 4143750), (34, 3778125), (39, 3293750), (50, 2569125), (51, 2518750), (62, 2071875), (65, 1976250), (75, 1712750), (78, 1646875), (85, 1511250), (93, 1381250), (102, 1259375), (125, 1027650), (130, 988125), (150, 856375), (155, 828750), (170, 755625), (186, 690625), (195, 658750), (221, 581250), (250, 513825), (255, 503750), (310, 414375), (325, 395250), (375, 342550), (390, 329375), (403, 318750), (425, 302250), (442, 290625), (465, 276250), (510, 251875), (527, 243750), (625, 205530), (650, 197625), (663, 193750), (750, 171275), (775, 165750), (806, 159375), (850, 151125), (930, 138125), (975, 131750), (1054, 121875), (1105, 116250), (1209, 106250), (1250, 102765), (1275, 100750), (1326, 96875), (1550, 82875), (1581, 81250), (1625, 79050), (1875, 68510), (1950, 65875), (2015, 63750), (2125, 60450), (2210, 58125), (2325, 55250), (2418, 53125), (2550, 50375), (2635, 48750), (3125, 41106), (3162, 40625), (3250, 39525), (3315, 38750), (3750, 34255), (3875, 33150), (4030, 31875), (4250, 30225), (4650, 27625), (4875, 26350), (5270, 24375), (5525, 23250), (6045, 21250), (6250, 20553), (6375, 20150), (6630, 19375), (6851, 18750), (7750, 16575), (7905, 16250), (8125, 15810), (9375, 13702), (9750, 13175), (10075, 12750), (10625, 12090), (11050, 11625)]