81380952

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 242498880

約数和(自身を除く): 161117928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 101, 114, 124, 152, 171, 186, 202, 228, 248, 279, 303, 342, 361, 372, 404, 456, 558, 589, 606, 684, 722, 744, 808, 909, 1083, 1116, 1178, 1212, 1368, 1444, 1767, 1818, 1919, 2166, 2232, 2356, 2424, 2888, 3131, 3249, 3534, 3636, 3838, 4332, 4712, 5301, 5757, 6262, 6498, 7068, 7272, 7676, 8664, 9393, 10602, 11191, 11514, 12524, 12996, 14136, 15352, 17271, 18786, 21204, 22382, 23028, 25048, 25992, 28179, 33573, 34542, 36461, 37572, 42408, 44764, 46056, 56358, 59489, 67146, 69084, 72922, 75144, 89528, 100719, 109383, 112716, 118978, 134292, 138168, 145844, 178467, 201438, 218766, 225432, 237956, 268584, 291688, 328149, 356934, 402876, 437532, 475912, 535401, 656298, 713868, 805752, 875064, 1070802, 1130291, 1312596, 1427736, 2141604, 2260582, 2625192, 3390873, 4283208, 4521164, 6781746, 9042328, 10172619, 13563492, 20345238, 27126984, 40690476, 81380952]

約数ペア:

[(1, 81380952), (2, 40690476), (3, 27126984), (4, 20345238), (6, 13563492), (8, 10172619), (9, 9042328), (12, 6781746), (18, 4521164), (19, 4283208), (24, 3390873), (31, 2625192), (36, 2260582), (38, 2141604), (57, 1427736), (62, 1312596), (72, 1130291), (76, 1070802), (93, 875064), (101, 805752), (114, 713868), (124, 656298), (152, 535401), (171, 475912), (186, 437532), (202, 402876), (228, 356934), (248, 328149), (279, 291688), (303, 268584), (342, 237956), (361, 225432), (372, 218766), (404, 201438), (456, 178467), (558, 145844), (589, 138168), (606, 134292), (684, 118978), (722, 112716), (744, 109383), (808, 100719), (909, 89528), (1083, 75144), (1116, 72922), (1178, 69084), (1212, 67146), (1368, 59489), (1444, 56358), (1767, 46056), (1818, 44764), (1919, 42408), (2166, 37572), (2232, 36461), (2356, 34542), (2424, 33573), (2888, 28179), (3131, 25992), (3249, 25048), (3534, 23028), (3636, 22382), (3838, 21204), (4332, 18786), (4712, 17271), (5301, 15352), (5757, 14136), (6262, 12996), (6498, 12524), (7068, 11514), (7272, 11191), (7676, 10602), (8664, 9393)]