285180280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1747}}^1$

素因数の和:1829

約数の個数: 128

約数和(自身を含む): 815546880

約数和(自身を除く): 530366600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 88, 106, 110, 140, 154, 212, 220, 265, 280, 308, 371, 385, 424, 440, 530, 583, 616, 742, 770, 1060, 1166, 1484, 1540, 1747, 1855, 2120, 2332, 2915, 2968, 3080, 3494, 3710, 4081, 4664, 5830, 6988, 7420, 8162, 8735, 11660, 12229, 13976, 14840, 16324, 17470, 19217, 20405, 23320, 24458, 32648, 34940, 38434, 40810, 48916, 61145, 69880, 76868, 81620, 92591, 96085, 97832, 122290, 134519, 153736, 163240, 185182, 192170, 244580, 269038, 370364, 384340, 462955, 489160, 538076, 648137, 672595, 740728, 768680, 925910, 1018501, 1076152, 1296274, 1345190, 1851820, 2037002, 2592548, 2690380, 3240685, 3703640, 4074004, 5092505, 5185096, 5380760, 6481370, 7129507, 8148008, 10185010, 12962740, 14259014, 20370020, 25925480, 28518028, 35647535, 40740040, 57036056, 71295070, 142590140, 285180280]

約数ペア:

[(1, 285180280), (2, 142590140), (4, 71295070), (5, 57036056), (7, 40740040), (8, 35647535), (10, 28518028), (11, 25925480), (14, 20370020), (20, 14259014), (22, 12962740), (28, 10185010), (35, 8148008), (40, 7129507), (44, 6481370), (53, 5380760), (55, 5185096), (56, 5092505), (70, 4074004), (77, 3703640), (88, 3240685), (106, 2690380), (110, 2592548), (140, 2037002), (154, 1851820), (212, 1345190), (220, 1296274), (265, 1076152), (280, 1018501), (308, 925910), (371, 768680), (385, 740728), (424, 672595), (440, 648137), (530, 538076), (583, 489160), (616, 462955), (742, 384340), (770, 370364), (1060, 269038), (1166, 244580), (1484, 192170), (1540, 185182), (1747, 163240), (1855, 153736), (2120, 134519), (2332, 122290), (2915, 97832), (2968, 96085), (3080, 92591), (3494, 81620), (3710, 76868), (4081, 69880), (4664, 61145), (5830, 48916), (6988, 40810), (7420, 38434), (8162, 34940), (8735, 32648), (11660, 24458), (12229, 23320), (13976, 20405), (14840, 19217), (16324, 17470)]