72187500

素因数分解:

$2^2\times 3^1\times 5^7\times 7^1\times {\mathrm{11}}^1$

素因数の和:60

約数の個数: 192

約数和(自身を含む): 262499328

約数和(自身を除く): 190311828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 125, 132, 140, 150, 154, 165, 175, 210, 220, 231, 250, 275, 300, 308, 330, 350, 375, 385, 420, 462, 500, 525, 550, 625, 660, 700, 750, 770, 825, 875, 924, 1050, 1100, 1155, 1250, 1375, 1500, 1540, 1650, 1750, 1875, 1925, 2100, 2310, 2500, 2625, 2750, 3125, 3300, 3500, 3750, 3850, 4125, 4375, 4620, 5250, 5500, 5775, 6250, 6875, 7500, 7700, 8250, 8750, 9375, 9625, 10500, 11550, 12500, 13125, 13750, 15625, 16500, 17500, 18750, 19250, 20625, 21875, 23100, 26250, 27500, 28875, 31250, 34375, 37500, 38500, 41250, 43750, 46875, 48125, 52500, 57750, 62500, 65625, 68750, 78125, 82500, 87500, 93750, 96250, 103125, 109375, 115500, 131250, 137500, 144375, 156250, 171875, 187500, 192500, 206250, 218750, 234375, 240625, 262500, 288750, 312500, 328125, 343750, 412500, 437500, 468750, 481250, 515625, 546875, 577500, 656250, 687500, 721875, 859375, 937500, 962500, 1031250, 1093750, 1203125, 1312500, 1443750, 1640625, 1718750, 2062500, 2187500, 2406250, 2578125, 2887500, 3281250, 3437500, 3609375, 4812500, 5156250, 6015625, 6562500, 7218750, 10312500, 12031250, 14437500, 18046875, 24062500, 36093750, 72187500]

約数ペア:

[(1, 72187500), (2, 36093750), (3, 24062500), (4, 18046875), (5, 14437500), (6, 12031250), (7, 10312500), (10, 7218750), (11, 6562500), (12, 6015625), (14, 5156250), (15, 4812500), (20, 3609375), (21, 3437500), (22, 3281250), (25, 2887500), (28, 2578125), (30, 2406250), (33, 2187500), (35, 2062500), (42, 1718750), (44, 1640625), (50, 1443750), (55, 1312500), (60, 1203125), (66, 1093750), (70, 1031250), (75, 962500), (77, 937500), (84, 859375), (100, 721875), (105, 687500), (110, 656250), (125, 577500), (132, 546875), (140, 515625), (150, 481250), (154, 468750), (165, 437500), (175, 412500), (210, 343750), (220, 328125), (231, 312500), (250, 288750), (275, 262500), (300, 240625), (308, 234375), (330, 218750), (350, 206250), (375, 192500), (385, 187500), (420, 171875), (462, 156250), (500, 144375), (525, 137500), (550, 131250), (625, 115500), (660, 109375), (700, 103125), (750, 96250), (770, 93750), (825, 87500), (875, 82500), (924, 78125), (1050, 68750), (1100, 65625), (1155, 62500), (1250, 57750), (1375, 52500), (1500, 48125), (1540, 46875), (1650, 43750), (1750, 41250), (1875, 38500), (1925, 37500), (2100, 34375), (2310, 31250), (2500, 28875), (2625, 27500), (2750, 26250), (3125, 23100), (3300, 21875), (3500, 20625), (3750, 19250), (3850, 18750), (4125, 17500), (4375, 16500), (4620, 15625), (5250, 13750), (5500, 13125), (5775, 12500), (6250, 11550), (6875, 10500), (7500, 9625), (7700, 9375), (8250, 8750)]