261407250

素因数分解:

$2^1\times 3^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 192

約数和(自身を含む): 791796096

約数和(自身を除く): 530388846

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 125, 130, 135, 150, 162, 195, 225, 234, 243, 250, 270, 325, 331, 351, 375, 390, 405, 450, 486, 585, 650, 662, 675, 702, 750, 810, 975, 993, 1053, 1125, 1170, 1215, 1350, 1625, 1655, 1755, 1950, 1986, 2025, 2106, 2250, 2430, 2925, 2979, 3159, 3250, 3310, 3375, 3510, 4050, 4303, 4875, 4965, 5265, 5850, 5958, 6075, 6318, 6750, 8275, 8606, 8775, 8937, 9750, 9930, 10125, 10530, 12150, 12909, 14625, 14895, 15795, 16550, 17550, 17874, 20250, 21515, 24825, 25818, 26325, 26811, 29250, 29790, 30375, 31590, 38727, 41375, 43030, 43875, 44685, 49650, 52650, 53622, 60750, 64545, 74475, 77454, 78975, 80433, 82750, 87750, 89370, 107575, 116181, 124125, 129090, 131625, 134055, 148950, 157950, 160866, 193635, 215150, 223425, 232362, 248250, 263250, 268110, 322725, 348543, 372375, 387270, 394875, 402165, 446850, 537875, 580905, 645450, 670275, 697086, 744750, 789750, 804330, 968175, 1045629, 1075750, 1117125, 1161810, 1340550, 1613625, 1742715, 1936350, 2010825, 2091258, 2234250, 2904525, 3227250, 3351375, 3485430, 4021650, 4840875, 5228145, 5809050, 6702750, 8713575, 9681750, 10054125, 10456290, 14522625, 17427150, 20108250, 26140725, 29045250, 43567875, 52281450, 87135750, 130703625, 261407250]

約数ペア:

[(1, 261407250), (2, 130703625), (3, 87135750), (5, 52281450), (6, 43567875), (9, 29045250), (10, 26140725), (13, 20108250), (15, 17427150), (18, 14522625), (25, 10456290), (26, 10054125), (27, 9681750), (30, 8713575), (39, 6702750), (45, 5809050), (50, 5228145), (54, 4840875), (65, 4021650), (75, 3485430), (78, 3351375), (81, 3227250), (90, 2904525), (117, 2234250), (125, 2091258), (130, 2010825), (135, 1936350), (150, 1742715), (162, 1613625), (195, 1340550), (225, 1161810), (234, 1117125), (243, 1075750), (250, 1045629), (270, 968175), (325, 804330), (331, 789750), (351, 744750), (375, 697086), (390, 670275), (405, 645450), (450, 580905), (486, 537875), (585, 446850), (650, 402165), (662, 394875), (675, 387270), (702, 372375), (750, 348543), (810, 322725), (975, 268110), (993, 263250), (1053, 248250), (1125, 232362), (1170, 223425), (1215, 215150), (1350, 193635), (1625, 160866), (1655, 157950), (1755, 148950), (1950, 134055), (1986, 131625), (2025, 129090), (2106, 124125), (2250, 116181), (2430, 107575), (2925, 89370), (2979, 87750), (3159, 82750), (3250, 80433), (3310, 78975), (3375, 77454), (3510, 74475), (4050, 64545), (4303, 60750), (4875, 53622), (4965, 52650), (5265, 49650), (5850, 44685), (5958, 43875), (6075, 43030), (6318, 41375), (6750, 38727), (8275, 31590), (8606, 30375), (8775, 29790), (8937, 29250), (9750, 26811), (9930, 26325), (10125, 25818), (10530, 24825), (12150, 21515), (12909, 20250), (14625, 17874), (14895, 17550), (15795, 16550)]