42656250

素因数分解:

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

素因数の和:60

約数の個数: 128

約数和(自身を含む): 131249664

約数和(自身を除く): 88593414

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, 250, 273, 325, 350, 375, 390, 455, 525, 546, 625, 650, 750, 875, 910, 975, 1050, 1250, 1365, 1625, 1750, 1875, 1950, 2275, 2625, 2730, 3125, 3250, 3750, 4375, 4550, 4875, 5250, 6250, 6825, 8125, 8750, 9375, 9750, 11375, 13125, 13650, 15625, 16250, 18750, 21875, 22750, 24375, 26250, 31250, 34125, 40625, 43750, 46875, 48750, 56875, 65625, 68250, 78125, 81250, 93750, 109375, 113750, 121875, 131250, 156250, 170625, 203125, 218750, 234375, 243750, 284375, 328125, 341250, 406250, 468750, 546875, 568750, 609375, 656250, 853125, 1015625, 1093750, 1218750, 1421875, 1640625, 1706250, 2031250, 2843750, 3046875, 3281250, 4265625, 6093750, 7109375, 8531250, 14218750, 21328125, 42656250]

約数ペア:

[(1, 42656250), (2, 21328125), (3, 14218750), (5, 8531250), (6, 7109375), (7, 6093750), (10, 4265625), (13, 3281250), (14, 3046875), (15, 2843750), (21, 2031250), (25, 1706250), (26, 1640625), (30, 1421875), (35, 1218750), (39, 1093750), (42, 1015625), (50, 853125), (65, 656250), (70, 609375), (75, 568750), (78, 546875), (91, 468750), (105, 406250), (125, 341250), (130, 328125), (150, 284375), (175, 243750), (182, 234375), (195, 218750), (210, 203125), (250, 170625), (273, 156250), (325, 131250), (350, 121875), (375, 113750), (390, 109375), (455, 93750), (525, 81250), (546, 78125), (625, 68250), (650, 65625), (750, 56875), (875, 48750), (910, 46875), (975, 43750), (1050, 40625), (1250, 34125), (1365, 31250), (1625, 26250), (1750, 24375), (1875, 22750), (1950, 21875), (2275, 18750), (2625, 16250), (2730, 15625), (3125, 13650), (3250, 13125), (3750, 11375), (4375, 9750), (4550, 9375), (4875, 8750), (5250, 8125), (6250, 6825)]