641390220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1123}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 2062045440

約数和(自身を除く): 1420655220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 167, 171, 180, 190, 228, 285, 334, 342, 380, 501, 570, 668, 684, 835, 855, 1002, 1123, 1140, 1503, 1670, 1710, 2004, 2246, 2505, 3006, 3173, 3340, 3369, 3420, 4492, 5010, 5615, 6012, 6346, 6738, 7515, 9519, 10020, 10107, 11230, 12692, 13476, 15030, 15865, 16845, 19038, 20214, 21337, 22460, 28557, 30060, 31730, 33690, 38076, 40428, 42674, 47595, 50535, 57114, 63460, 64011, 67380, 85348, 95190, 101070, 106685, 114228, 128022, 142785, 187541, 190380, 192033, 202140, 213370, 256044, 285570, 320055, 375082, 384066, 426740, 562623, 571140, 640110, 750164, 768132, 937705, 960165, 1125246, 1280220, 1687869, 1875410, 1920330, 2250492, 2813115, 3375738, 3563279, 3750820, 3840660, 5626230, 6751476, 7126558, 8439345, 10689837, 11252460, 14253116, 16878690, 17816395, 21379674, 32069511, 33757380, 35632790, 42759348, 53449185, 64139022, 71265580, 106898370, 128278044, 160347555, 213796740, 320695110, 641390220]

約数ペア:

[(1, 641390220), (2, 320695110), (3, 213796740), (4, 160347555), (5, 128278044), (6, 106898370), (9, 71265580), (10, 64139022), (12, 53449185), (15, 42759348), (18, 35632790), (19, 33757380), (20, 32069511), (30, 21379674), (36, 17816395), (38, 16878690), (45, 14253116), (57, 11252460), (60, 10689837), (76, 8439345), (90, 7126558), (95, 6751476), (114, 5626230), (167, 3840660), (171, 3750820), (180, 3563279), (190, 3375738), (228, 2813115), (285, 2250492), (334, 1920330), (342, 1875410), (380, 1687869), (501, 1280220), (570, 1125246), (668, 960165), (684, 937705), (835, 768132), (855, 750164), (1002, 640110), (1123, 571140), (1140, 562623), (1503, 426740), (1670, 384066), (1710, 375082), (2004, 320055), (2246, 285570), (2505, 256044), (3006, 213370), (3173, 202140), (3340, 192033), (3369, 190380), (3420, 187541), (4492, 142785), (5010, 128022), (5615, 114228), (6012, 106685), (6346, 101070), (6738, 95190), (7515, 85348), (9519, 67380), (10020, 64011), (10107, 63460), (11230, 57114), (12692, 50535), (13476, 47595), (15030, 42674), (15865, 40428), (16845, 38076), (19038, 33690), (20214, 31730), (21337, 30060), (22460, 28557)]