55381500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 144

約数和(自身を含む): 180800256

約数和(自身を除く): 125418756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 125, 150, 155, 180, 186, 225, 250, 279, 300, 310, 372, 375, 397, 450, 465, 500, 558, 620, 750, 775, 794, 900, 930, 1116, 1125, 1191, 1395, 1500, 1550, 1588, 1860, 1985, 2250, 2325, 2382, 2790, 3100, 3573, 3875, 3970, 4500, 4650, 4764, 5580, 5955, 6975, 7146, 7750, 7940, 9300, 9925, 11625, 11910, 12307, 13950, 14292, 15500, 17865, 19850, 23250, 23820, 24614, 27900, 29775, 34875, 35730, 36921, 39700, 46500, 49228, 49625, 59550, 61535, 69750, 71460, 73842, 89325, 99250, 110763, 119100, 123070, 139500, 147684, 148875, 178650, 184605, 198500, 221526, 246140, 297750, 307675, 357300, 369210, 443052, 446625, 553815, 595500, 615350, 738420, 893250, 923025, 1107630, 1230700, 1538375, 1786500, 1846050, 2215260, 2769075, 3076750, 3692100, 4615125, 5538150, 6153500, 9230250, 11076300, 13845375, 18460500, 27690750, 55381500]

約数ペア:

[(1, 55381500), (2, 27690750), (3, 18460500), (4, 13845375), (5, 11076300), (6, 9230250), (9, 6153500), (10, 5538150), (12, 4615125), (15, 3692100), (18, 3076750), (20, 2769075), (25, 2215260), (30, 1846050), (31, 1786500), (36, 1538375), (45, 1230700), (50, 1107630), (60, 923025), (62, 893250), (75, 738420), (90, 615350), (93, 595500), (100, 553815), (124, 446625), (125, 443052), (150, 369210), (155, 357300), (180, 307675), (186, 297750), (225, 246140), (250, 221526), (279, 198500), (300, 184605), (310, 178650), (372, 148875), (375, 147684), (397, 139500), (450, 123070), (465, 119100), (500, 110763), (558, 99250), (620, 89325), (750, 73842), (775, 71460), (794, 69750), (900, 61535), (930, 59550), (1116, 49625), (1125, 49228), (1191, 46500), (1395, 39700), (1500, 36921), (1550, 35730), (1588, 34875), (1860, 29775), (1985, 27900), (2250, 24614), (2325, 23820), (2382, 23250), (2790, 19850), (3100, 17865), (3573, 15500), (3875, 14292), (3970, 13950), (4500, 12307), (4650, 11910), (4764, 11625), (5580, 9925), (5955, 9300), (6975, 7940), (7146, 7750)]