253205880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 780088320

約数和(自身を除く): 526882440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 113, 120, 142, 213, 226, 263, 284, 339, 355, 426, 452, 526, 565, 568, 678, 710, 789, 852, 904, 1052, 1065, 1130, 1315, 1356, 1420, 1578, 1695, 1704, 2104, 2130, 2260, 2630, 2712, 2840, 3156, 3390, 3945, 4260, 4520, 5260, 6312, 6780, 7890, 8023, 8520, 10520, 13560, 15780, 16046, 18673, 24069, 29719, 31560, 32092, 37346, 40115, 48138, 56019, 59438, 64184, 74692, 80230, 89157, 93365, 96276, 112038, 118876, 120345, 148595, 149384, 160460, 178314, 186730, 192552, 224076, 237752, 240690, 280095, 297190, 320920, 356628, 373460, 445785, 448152, 481380, 560190, 594380, 713256, 746920, 891570, 962760, 1120380, 1188760, 1783140, 2110049, 2240760, 3566280, 4220098, 6330147, 8440196, 10550245, 12660294, 16880392, 21100490, 25320588, 31650735, 42200980, 50641176, 63301470, 84401960, 126602940, 253205880]

約数ペア:

[(1, 253205880), (2, 126602940), (3, 84401960), (4, 63301470), (5, 50641176), (6, 42200980), (8, 31650735), (10, 25320588), (12, 21100490), (15, 16880392), (20, 12660294), (24, 10550245), (30, 8440196), (40, 6330147), (60, 4220098), (71, 3566280), (113, 2240760), (120, 2110049), (142, 1783140), (213, 1188760), (226, 1120380), (263, 962760), (284, 891570), (339, 746920), (355, 713256), (426, 594380), (452, 560190), (526, 481380), (565, 448152), (568, 445785), (678, 373460), (710, 356628), (789, 320920), (852, 297190), (904, 280095), (1052, 240690), (1065, 237752), (1130, 224076), (1315, 192552), (1356, 186730), (1420, 178314), (1578, 160460), (1695, 149384), (1704, 148595), (2104, 120345), (2130, 118876), (2260, 112038), (2630, 96276), (2712, 93365), (2840, 89157), (3156, 80230), (3390, 74692), (3945, 64184), (4260, 59438), (4520, 56019), (5260, 48138), (6312, 40115), (6780, 37346), (7890, 32092), (8023, 31560), (8520, 29719), (10520, 24069), (13560, 18673), (15780, 16046)]