16161990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1481

約数の個数: 64

約数和(自身を含む): 43243200

約数和(自身を除く): 27081210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1429, 1885, 2262, 2858, 3770, 4287, 5655, 7145, 8574, 11310, 14290, 18577, 21435, 37154, 41441, 42870, 55731, 82882, 92885, 111462, 124323, 185770, 207205, 248646, 278655, 414410, 538733, 557310, 621615, 1077466, 1243230, 1616199, 2693665, 3232398, 5387330, 8080995, 16161990]

約数ペア:

[(1, 16161990), (2, 8080995), (3, 5387330), (5, 3232398), (6, 2693665), (10, 1616199), (13, 1243230), (15, 1077466), (26, 621615), (29, 557310), (30, 538733), (39, 414410), (58, 278655), (65, 248646), (78, 207205), (87, 185770), (130, 124323), (145, 111462), (174, 92885), (195, 82882), (290, 55731), (377, 42870), (390, 41441), (435, 37154), (754, 21435), (870, 18577), (1131, 14290), (1429, 11310), (1885, 8574), (2262, 7145), (2858, 5655), (3770, 4287)]