30911824840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{28621}}^1$

素因数の和:28743

約数の個数: 128

約数和(自身を含む): 78474654720

約数和(自身を除く): 47562829880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 67, 104, 124, 130, 134, 155, 248, 260, 268, 310, 335, 403, 520, 536, 620, 670, 806, 871, 1240, 1340, 1612, 1742, 2015, 2077, 2680, 3224, 3484, 4030, 4154, 4355, 6968, 8060, 8308, 8710, 10385, 16120, 16616, 17420, 20770, 27001, 28621, 34840, 41540, 54002, 57242, 83080, 108004, 114484, 135005, 143105, 216008, 228968, 270010, 286210, 372073, 540020, 572420, 744146, 887251, 1080040, 1144840, 1488292, 1774502, 1860365, 1917607, 2976584, 3549004, 3720730, 3835214, 4436255, 7098008, 7441460, 7670428, 8872510, 9588035, 11534263, 14882920, 15340856, 17745020, 19176070, 23068526, 24928891, 35490040, 38352140, 46137052, 49857782, 57671315, 59445817, 76704280, 92274104, 99715564, 115342630, 118891634, 124644455, 199431128, 230685260, 237783268, 249288910, 297229085, 461370520, 475566536, 498577820, 594458170, 772795621, 997155640, 1188916340, 1545591242, 2377832680, 3091182484, 3863978105, 6182364968, 7727956210, 15455912420, 30911824840]

約数ペア:

[(1, 30911824840), (2, 15455912420), (4, 7727956210), (5, 6182364968), (8, 3863978105), (10, 3091182484), (13, 2377832680), (20, 1545591242), (26, 1188916340), (31, 997155640), (40, 772795621), (52, 594458170), (62, 498577820), (65, 475566536), (67, 461370520), (104, 297229085), (124, 249288910), (130, 237783268), (134, 230685260), (155, 199431128), (248, 124644455), (260, 118891634), (268, 115342630), (310, 99715564), (335, 92274104), (403, 76704280), (520, 59445817), (536, 57671315), (620, 49857782), (670, 46137052), (806, 38352140), (871, 35490040), (1240, 24928891), (1340, 23068526), (1612, 19176070), (1742, 17745020), (2015, 15340856), (2077, 14882920), (2680, 11534263), (3224, 9588035), (3484, 8872510), (4030, 7670428), (4154, 7441460), (4355, 7098008), (6968, 4436255), (8060, 3835214), (8308, 3720730), (8710, 3549004), (10385, 2976584), (16120, 1917607), (16616, 1860365), (17420, 1774502), (20770, 1488292), (27001, 1144840), (28621, 1080040), (34840, 887251), (41540, 744146), (54002, 572420), (57242, 540020), (83080, 372073), (108004, 286210), (114484, 270010), (135005, 228968), (143105, 216008)]