1220142720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3511}}^1$

素因数の和:3714

約数の個数: 128

約数和(自身を含む): 3911806080

約数和(自身を除く): 2691663360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 240, 320, 362, 384, 480, 543, 640, 724, 905, 960, 1086, 1448, 1810, 1920, 2172, 2715, 2896, 3511, 3620, 4344, 5430, 5792, 7022, 7240, 8688, 10533, 10860, 11584, 14044, 14480, 17376, 17555, 21066, 21720, 23168, 28088, 28960, 34752, 35110, 42132, 43440, 52665, 56176, 57920, 69504, 70220, 84264, 86880, 105330, 112352, 115840, 140440, 168528, 173760, 210660, 224704, 280880, 337056, 347520, 421320, 449408, 561760, 635491, 674112, 842640, 1123520, 1270982, 1348224, 1685280, 1906473, 2247040, 2541964, 3177455, 3370560, 3812946, 5083928, 6354910, 6741120, 7625892, 9532365, 10167856, 12709820, 15251784, 19064730, 20335712, 25419640, 30503568, 38129460, 40671424, 50839280, 61007136, 76258920, 81342848, 101678560, 122014272, 152517840, 203357120, 244028544, 305035680, 406714240, 610071360, 1220142720]

約数ペア:

[(1, 1220142720), (2, 610071360), (3, 406714240), (4, 305035680), (5, 244028544), (6, 203357120), (8, 152517840), (10, 122014272), (12, 101678560), (15, 81342848), (16, 76258920), (20, 61007136), (24, 50839280), (30, 40671424), (32, 38129460), (40, 30503568), (48, 25419640), (60, 20335712), (64, 19064730), (80, 15251784), (96, 12709820), (120, 10167856), (128, 9532365), (160, 7625892), (181, 6741120), (192, 6354910), (240, 5083928), (320, 3812946), (362, 3370560), (384, 3177455), (480, 2541964), (543, 2247040), (640, 1906473), (724, 1685280), (905, 1348224), (960, 1270982), (1086, 1123520), (1448, 842640), (1810, 674112), (1920, 635491), (2172, 561760), (2715, 449408), (2896, 421320), (3511, 347520), (3620, 337056), (4344, 280880), (5430, 224704), (5792, 210660), (7022, 173760), (7240, 168528), (8688, 140440), (10533, 115840), (10860, 112352), (11584, 105330), (14044, 86880), (14480, 84264), (17376, 70220), (17555, 69504), (21066, 57920), (21720, 56176), (23168, 52665), (28088, 43440), (28960, 42132), (34752, 35110)]