221301120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1560

約数の個数: 128

約数和(自身を含む): 714816000

約数和(自身を除く): 493514880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1459, 1580, 1896, 1920, 2370, 2528, 2918, 3160, 3792, 4377, 4740, 5056, 5836, 6320, 7295, 7584, 8754, 9480, 10112, 11672, 12640, 14590, 15168, 17508, 18960, 21885, 23344, 25280, 29180, 30336, 35016, 37920, 43770, 46688, 50560, 58360, 70032, 75840, 87540, 93376, 115261, 116720, 140064, 151680, 175080, 186752, 230522, 233440, 280128, 345783, 350160, 461044, 466880, 560256, 576305, 691566, 700320, 922088, 933760, 1152610, 1383132, 1400640, 1728915, 1844176, 2305220, 2766264, 2801280, 3457830, 3688352, 4610440, 5532528, 6915660, 7376704, 9220880, 11065056, 13831320, 14753408, 18441760, 22130112, 27662640, 36883520, 44260224, 55325280, 73767040, 110650560, 221301120]

約数ペア:

[(1, 221301120), (2, 110650560), (3, 73767040), (4, 55325280), (5, 44260224), (6, 36883520), (8, 27662640), (10, 22130112), (12, 18441760), (15, 14753408), (16, 13831320), (20, 11065056), (24, 9220880), (30, 7376704), (32, 6915660), (40, 5532528), (48, 4610440), (60, 3688352), (64, 3457830), (79, 2801280), (80, 2766264), (96, 2305220), (120, 1844176), (128, 1728915), (158, 1400640), (160, 1383132), (192, 1152610), (237, 933760), (240, 922088), (316, 700320), (320, 691566), (384, 576305), (395, 560256), (474, 466880), (480, 461044), (632, 350160), (640, 345783), (790, 280128), (948, 233440), (960, 230522), (1185, 186752), (1264, 175080), (1459, 151680), (1580, 140064), (1896, 116720), (1920, 115261), (2370, 93376), (2528, 87540), (2918, 75840), (3160, 70032), (3792, 58360), (4377, 50560), (4740, 46688), (5056, 43770), (5836, 37920), (6320, 35016), (7295, 30336), (7584, 29180), (8754, 25280), (9480, 23344), (10112, 21885), (11672, 18960), (12640, 17508), (14590, 15168)]