721814080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1039}}^1$

素因数の和:1236

約数の個数: 112

約数和(自身を含む): 1863912960

約数和(自身を除く): 1142098880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 167, 208, 260, 320, 334, 416, 520, 668, 832, 835, 1039, 1040, 1336, 1670, 2078, 2080, 2171, 2672, 3340, 4156, 4160, 4342, 5195, 5344, 6680, 8312, 8684, 10390, 10688, 10855, 13360, 13507, 16624, 17368, 20780, 21710, 26720, 27014, 33248, 34736, 41560, 43420, 53440, 54028, 66496, 67535, 69472, 83120, 86840, 108056, 135070, 138944, 166240, 173513, 173680, 216112, 270140, 332480, 347026, 347360, 432224, 540280, 694052, 694720, 864448, 867565, 1080560, 1388104, 1735130, 2161120, 2255669, 2776208, 3470260, 4322240, 4511338, 5552416, 6940520, 9022676, 11104832, 11278345, 13881040, 18045352, 22556690, 27762080, 36090704, 45113380, 55524160, 72181408, 90226760, 144362816, 180453520, 360907040, 721814080]

約数ペア:

[(1, 721814080), (2, 360907040), (4, 180453520), (5, 144362816), (8, 90226760), (10, 72181408), (13, 55524160), (16, 45113380), (20, 36090704), (26, 27762080), (32, 22556690), (40, 18045352), (52, 13881040), (64, 11278345), (65, 11104832), (80, 9022676), (104, 6940520), (130, 5552416), (160, 4511338), (167, 4322240), (208, 3470260), (260, 2776208), (320, 2255669), (334, 2161120), (416, 1735130), (520, 1388104), (668, 1080560), (832, 867565), (835, 864448), (1039, 694720), (1040, 694052), (1336, 540280), (1670, 432224), (2078, 347360), (2080, 347026), (2171, 332480), (2672, 270140), (3340, 216112), (4156, 173680), (4160, 173513), (4342, 166240), (5195, 138944), (5344, 135070), (6680, 108056), (8312, 86840), (8684, 83120), (10390, 69472), (10688, 67535), (10855, 66496), (13360, 54028), (13507, 53440), (16624, 43420), (17368, 41560), (20780, 34736), (21710, 33248), (26720, 27014)]