30719988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 85719816

約数和(自身を除く): 54999828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1599, 1601, 2132, 3198, 3202, 4797, 4803, 6396, 6404, 9594, 9606, 14409, 19188, 19212, 20813, 28818, 41626, 57636, 62439, 65641, 83252, 124878, 131282, 187317, 196923, 249756, 262564, 374634, 393846, 590769, 749268, 787692, 853333, 1181538, 1706666, 2363076, 2559999, 3413332, 5119998, 7679997, 10239996, 15359994, 30719988]

約数ペア:

[(1, 30719988), (2, 15359994), (3, 10239996), (4, 7679997), (6, 5119998), (9, 3413332), (12, 2559999), (13, 2363076), (18, 1706666), (26, 1181538), (36, 853333), (39, 787692), (41, 749268), (52, 590769), (78, 393846), (82, 374634), (117, 262564), (123, 249756), (156, 196923), (164, 187317), (234, 131282), (246, 124878), (369, 83252), (468, 65641), (492, 62439), (533, 57636), (738, 41626), (1066, 28818), (1476, 20813), (1599, 19212), (1601, 19188), (2132, 14409), (3198, 9606), (3202, 9594), (4797, 6404), (4803, 6396)]