71072320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 112

約数和(自身を含む): 188220096

約数和(自身を除く): 117147776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 160, 176, 220, 244, 305, 320, 331, 352, 440, 488, 610, 662, 671, 704, 880, 976, 1220, 1324, 1342, 1655, 1760, 1952, 2440, 2648, 2684, 3310, 3355, 3520, 3641, 3904, 4880, 5296, 5368, 6620, 6710, 7282, 9760, 10592, 10736, 13240, 13420, 14564, 18205, 19520, 20191, 21184, 21472, 26480, 26840, 29128, 36410, 40382, 42944, 52960, 53680, 58256, 72820, 80764, 100955, 105920, 107360, 116512, 145640, 161528, 201910, 214720, 222101, 233024, 291280, 323056, 403820, 444202, 582560, 646112, 807640, 888404, 1110505, 1165120, 1292224, 1615280, 1776808, 2221010, 3230560, 3553616, 4442020, 6461120, 7107232, 8884040, 14214464, 17768080, 35536160, 71072320]

約数ペア:

[(1, 71072320), (2, 35536160), (4, 17768080), (5, 14214464), (8, 8884040), (10, 7107232), (11, 6461120), (16, 4442020), (20, 3553616), (22, 3230560), (32, 2221010), (40, 1776808), (44, 1615280), (55, 1292224), (61, 1165120), (64, 1110505), (80, 888404), (88, 807640), (110, 646112), (122, 582560), (160, 444202), (176, 403820), (220, 323056), (244, 291280), (305, 233024), (320, 222101), (331, 214720), (352, 201910), (440, 161528), (488, 145640), (610, 116512), (662, 107360), (671, 105920), (704, 100955), (880, 80764), (976, 72820), (1220, 58256), (1324, 53680), (1342, 52960), (1655, 42944), (1760, 40382), (1952, 36410), (2440, 29128), (2648, 26840), (2684, 26480), (3310, 21472), (3355, 21184), (3520, 20191), (3641, 19520), (3904, 18205), (4880, 14564), (5296, 13420), (5368, 13240), (6620, 10736), (6710, 10592), (7282, 9760)]