145587777680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{420191}}^1$

素因数の和:420336

約数の個数: 80

約数和(自身を含む): 348887098368

約数和(自身を除く): 203299320688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 976, 1136, 1220, 1420, 2440, 2840, 4331, 4880, 5680, 8662, 17324, 21655, 34648, 43310, 69296, 86620, 173240, 346480, 420191, 840382, 1680764, 2100955, 3361528, 4201910, 6723056, 8403820, 16807640, 25631651, 29833561, 33615280, 51263302, 59667122, 102526604, 119334244, 128158255, 149167805, 205053208, 238668488, 256316510, 298335610, 410106416, 477336976, 512633020, 596671220, 1025266040, 1193342440, 1819847221, 2050532080, 2386684880, 3639694442, 7279388884, 9099236105, 14558777768, 18198472210, 29117555536, 36396944420, 72793888840, 145587777680]

約数ペア:

[(1, 145587777680), (2, 72793888840), (4, 36396944420), (5, 29117555536), (8, 18198472210), (10, 14558777768), (16, 9099236105), (20, 7279388884), (40, 3639694442), (61, 2386684880), (71, 2050532080), (80, 1819847221), (122, 1193342440), (142, 1025266040), (244, 596671220), (284, 512633020), (305, 477336976), (355, 410106416), (488, 298335610), (568, 256316510), (610, 238668488), (710, 205053208), (976, 149167805), (1136, 128158255), (1220, 119334244), (1420, 102526604), (2440, 59667122), (2840, 51263302), (4331, 33615280), (4880, 29833561), (5680, 25631651), (8662, 16807640), (17324, 8403820), (21655, 6723056), (34648, 4201910), (43310, 3361528), (69296, 2100955), (86620, 1680764), (173240, 840382), (346480, 420191)]