1811940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 5757696

約数和(自身を除く): 3945756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 101, 115, 130, 138, 156, 195, 202, 230, 260, 276, 299, 303, 345, 390, 404, 460, 505, 598, 606, 690, 780, 897, 1010, 1196, 1212, 1313, 1380, 1495, 1515, 1794, 2020, 2323, 2626, 2990, 3030, 3588, 3939, 4485, 4646, 5252, 5980, 6060, 6565, 6969, 7878, 8970, 9292, 11615, 13130, 13938, 15756, 17940, 19695, 23230, 26260, 27876, 30199, 34845, 39390, 46460, 60398, 69690, 78780, 90597, 120796, 139380, 150995, 181194, 301990, 362388, 452985, 603980, 905970, 1811940]

約数ペア:

[(1, 1811940), (2, 905970), (3, 603980), (4, 452985), (5, 362388), (6, 301990), (10, 181194), (12, 150995), (13, 139380), (15, 120796), (20, 90597), (23, 78780), (26, 69690), (30, 60398), (39, 46460), (46, 39390), (52, 34845), (60, 30199), (65, 27876), (69, 26260), (78, 23230), (92, 19695), (101, 17940), (115, 15756), (130, 13938), (138, 13130), (156, 11615), (195, 9292), (202, 8970), (230, 7878), (260, 6969), (276, 6565), (299, 6060), (303, 5980), (345, 5252), (390, 4646), (404, 4485), (460, 3939), (505, 3588), (598, 3030), (606, 2990), (690, 2626), (780, 2323), (897, 2020), (1010, 1794), (1196, 1515), (1212, 1495), (1313, 1380)]