728462800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4581

約数の個数: 120

約数和(自身を含む): 1945986560

約数和(自身を除く): 1217523760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1550, 1612, 2015, 2480, 2600, 3100, 3224, 4030, 4519, 5200, 6200, 6448, 8060, 9038, 10075, 12400, 16120, 18076, 20150, 22595, 32240, 36152, 40300, 45190, 58747, 72304, 80600, 90380, 112975, 117494, 140089, 161200, 180760, 225950, 234988, 280178, 293735, 361520, 451900, 469976, 560356, 587470, 700445, 903800, 939952, 1120712, 1174940, 1400890, 1468675, 1807600, 1821157, 2241424, 2349880, 2801780, 2937350, 3502225, 3642314, 4699760, 5603560, 5874700, 7004450, 7284628, 9105785, 11207120, 11749400, 14008900, 14569256, 18211570, 23498800, 28017800, 29138512, 36423140, 45528925, 56035600, 72846280, 91057850, 145692560, 182115700, 364231400, 728462800]

約数ペア:

[(1, 728462800), (2, 364231400), (4, 182115700), (5, 145692560), (8, 91057850), (10, 72846280), (13, 56035600), (16, 45528925), (20, 36423140), (25, 29138512), (26, 28017800), (31, 23498800), (40, 18211570), (50, 14569256), (52, 14008900), (62, 11749400), (65, 11207120), (80, 9105785), (100, 7284628), (104, 7004450), (124, 5874700), (130, 5603560), (155, 4699760), (200, 3642314), (208, 3502225), (248, 2937350), (260, 2801780), (310, 2349880), (325, 2241424), (400, 1821157), (403, 1807600), (496, 1468675), (520, 1400890), (620, 1174940), (650, 1120712), (775, 939952), (806, 903800), (1040, 700445), (1240, 587470), (1300, 560356), (1550, 469976), (1612, 451900), (2015, 361520), (2480, 293735), (2600, 280178), (3100, 234988), (3224, 225950), (4030, 180760), (4519, 161200), (5200, 140089), (6200, 117494), (6448, 112975), (8060, 90380), (9038, 80600), (10075, 72304), (12400, 58747), (16120, 45190), (18076, 40300), (20150, 36152), (22595, 32240)]