81558750

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 160

約数和(自身を含む): 251919360

約数和(自身を除く): 170360610

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 125, 130, 150, 175, 182, 195, 210, 239, 250, 273, 325, 350, 375, 390, 455, 478, 525, 546, 625, 650, 717, 750, 875, 910, 975, 1050, 1195, 1250, 1365, 1434, 1625, 1673, 1750, 1875, 1950, 2275, 2390, 2625, 2730, 3107, 3250, 3346, 3585, 3750, 4375, 4550, 4875, 5019, 5250, 5975, 6214, 6825, 7170, 8125, 8365, 8750, 9321, 9750, 10038, 11375, 11950, 13125, 13650, 15535, 16250, 16730, 17925, 18642, 21749, 22750, 24375, 25095, 26250, 29875, 31070, 34125, 35850, 41825, 43498, 46605, 48750, 50190, 56875, 59750, 65247, 68250, 77675, 83650, 89625, 93210, 108745, 113750, 125475, 130494, 149375, 155350, 170625, 179250, 209125, 217490, 233025, 250950, 298750, 326235, 341250, 388375, 418250, 448125, 466050, 543725, 627375, 652470, 776750, 896250, 1045625, 1087450, 1165125, 1254750, 1631175, 1941875, 2091250, 2330250, 2718625, 3136875, 3262350, 3883750, 5437250, 5825625, 6273750, 8155875, 11651250, 13593125, 16311750, 27186250, 40779375, 81558750]

約数ペア:

[(1, 81558750), (2, 40779375), (3, 27186250), (5, 16311750), (6, 13593125), (7, 11651250), (10, 8155875), (13, 6273750), (14, 5825625), (15, 5437250), (21, 3883750), (25, 3262350), (26, 3136875), (30, 2718625), (35, 2330250), (39, 2091250), (42, 1941875), (50, 1631175), (65, 1254750), (70, 1165125), (75, 1087450), (78, 1045625), (91, 896250), (105, 776750), (125, 652470), (130, 627375), (150, 543725), (175, 466050), (182, 448125), (195, 418250), (210, 388375), (239, 341250), (250, 326235), (273, 298750), (325, 250950), (350, 233025), (375, 217490), (390, 209125), (455, 179250), (478, 170625), (525, 155350), (546, 149375), (625, 130494), (650, 125475), (717, 113750), (750, 108745), (875, 93210), (910, 89625), (975, 83650), (1050, 77675), (1195, 68250), (1250, 65247), (1365, 59750), (1434, 56875), (1625, 50190), (1673, 48750), (1750, 46605), (1875, 43498), (1950, 41825), (2275, 35850), (2390, 34125), (2625, 31070), (2730, 29875), (3107, 26250), (3250, 25095), (3346, 24375), (3585, 22750), (3750, 21749), (4375, 18642), (4550, 17925), (4875, 16730), (5019, 16250), (5250, 15535), (5975, 13650), (6214, 13125), (6825, 11950), (7170, 11375), (8125, 10038), (8365, 9750), (8750, 9321)]