1290224760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2953}}^1$

素因数の和:3309

約数の個数: 128

約数和(自身を含む): 4236744960

約数和(自身を除く): 2946520200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 331, 440, 660, 662, 993, 1320, 1324, 1655, 1986, 2648, 2953, 3310, 3641, 3972, 4965, 5906, 6620, 7282, 7944, 8859, 9930, 10923, 11812, 13240, 14564, 14765, 17718, 18205, 19860, 21846, 23624, 29128, 29530, 32483, 35436, 36410, 39720, 43692, 44295, 54615, 59060, 64966, 70872, 72820, 87384, 88590, 97449, 109230, 118120, 129932, 145640, 162415, 177180, 194898, 218460, 259864, 324830, 354360, 389796, 436920, 487245, 649660, 779592, 974490, 977443, 1299320, 1948980, 1954886, 2932329, 3897960, 3909772, 4887215, 5864658, 7819544, 9774430, 10751873, 11729316, 14661645, 19548860, 21503746, 23458632, 29323290, 32255619, 39097720, 43007492, 53759365, 58646580, 64511238, 86014984, 107518730, 117293160, 129022476, 161278095, 215037460, 258044952, 322556190, 430074920, 645112380, 1290224760]

約数ペア:

[(1, 1290224760), (2, 645112380), (3, 430074920), (4, 322556190), (5, 258044952), (6, 215037460), (8, 161278095), (10, 129022476), (11, 117293160), (12, 107518730), (15, 86014984), (20, 64511238), (22, 58646580), (24, 53759365), (30, 43007492), (33, 39097720), (40, 32255619), (44, 29323290), (55, 23458632), (60, 21503746), (66, 19548860), (88, 14661645), (110, 11729316), (120, 10751873), (132, 9774430), (165, 7819544), (220, 5864658), (264, 4887215), (330, 3909772), (331, 3897960), (440, 2932329), (660, 1954886), (662, 1948980), (993, 1299320), (1320, 977443), (1324, 974490), (1655, 779592), (1986, 649660), (2648, 487245), (2953, 436920), (3310, 389796), (3641, 354360), (3972, 324830), (4965, 259864), (5906, 218460), (6620, 194898), (7282, 177180), (7944, 162415), (8859, 145640), (9930, 129932), (10923, 118120), (11812, 109230), (13240, 97449), (14564, 88590), (14765, 87384), (17718, 72820), (18205, 70872), (19860, 64966), (21846, 59060), (23624, 54615), (29128, 44295), (29530, 43692), (32483, 39720), (35436, 36410)]