28161870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1481

約数の個数: 64

約数和(自身を含む): 74995200

約数和(自身を除く): 46833330

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 1342, 1399, 1830, 2013, 2798, 3355, 4026, 4197, 6710, 6995, 8394, 10065, 13990, 15389, 20130, 20985, 30778, 41970, 46167, 76945, 85339, 92334, 153890, 170678, 230835, 256017, 426695, 461670, 512034, 853390, 938729, 1280085, 1877458, 2560170, 2816187, 4693645, 5632374, 9387290, 14080935, 28161870]

約数ペア:

[(1, 28161870), (2, 14080935), (3, 9387290), (5, 5632374), (6, 4693645), (10, 2816187), (11, 2560170), (15, 1877458), (22, 1280085), (30, 938729), (33, 853390), (55, 512034), (61, 461670), (66, 426695), (110, 256017), (122, 230835), (165, 170678), (183, 153890), (305, 92334), (330, 85339), (366, 76945), (610, 46167), (671, 41970), (915, 30778), (1342, 20985), (1399, 20130), (1830, 15389), (2013, 13990), (2798, 10065), (3355, 8394), (4026, 6995), (4197, 6710)]