7719009920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20477}}^1$

素因数の和:20546

約数の個数: 128

約数和(自身を含む): 20052057600

約数和(自身を除く): 12333047680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1520, 1984, 2356, 2432, 2480, 2945, 3040, 3968, 4712, 4960, 5890, 6080, 9424, 9920, 11780, 12160, 18848, 19840, 20477, 23560, 37696, 40954, 47120, 75392, 81908, 94240, 102385, 163816, 188480, 204770, 327632, 376960, 389063, 409540, 634787, 655264, 778126, 819080, 1269574, 1310528, 1556252, 1638160, 1945315, 2539148, 2621056, 3112504, 3173935, 3276320, 3890630, 5078296, 6225008, 6347870, 6552640, 7781260, 10156592, 12060953, 12450016, 12695740, 13105280, 15562520, 20313184, 24121906, 24900032, 25391480, 31125040, 40626368, 48243812, 49800064, 50782960, 60304765, 62250080, 81252736, 96487624, 101565920, 120609530, 124500160, 192975248, 203131840, 241219060, 249000320, 385950496, 406263680, 482438120, 771900992, 964876240, 1543801984, 1929752480, 3859504960, 7719009920]

約数ペア:

[(1, 7719009920), (2, 3859504960), (4, 1929752480), (5, 1543801984), (8, 964876240), (10, 771900992), (16, 482438120), (19, 406263680), (20, 385950496), (31, 249000320), (32, 241219060), (38, 203131840), (40, 192975248), (62, 124500160), (64, 120609530), (76, 101565920), (80, 96487624), (95, 81252736), (124, 62250080), (128, 60304765), (152, 50782960), (155, 49800064), (160, 48243812), (190, 40626368), (248, 31125040), (304, 25391480), (310, 24900032), (320, 24121906), (380, 20313184), (496, 15562520), (589, 13105280), (608, 12695740), (620, 12450016), (640, 12060953), (760, 10156592), (992, 7781260), (1178, 6552640), (1216, 6347870), (1240, 6225008), (1520, 5078296), (1984, 3890630), (2356, 3276320), (2432, 3173935), (2480, 3112504), (2945, 2621056), (3040, 2539148), (3968, 1945315), (4712, 1638160), (4960, 1556252), (5890, 1310528), (6080, 1269574), (9424, 819080), (9920, 778126), (11780, 655264), (12160, 634787), (18848, 409540), (19840, 389063), (20477, 376960), (23560, 327632), (37696, 204770), (40954, 188480), (47120, 163816), (75392, 102385), (81908, 94240)]