1897740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 6206928

約数和(自身を除く): 4309188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 811, 1170, 1622, 2340, 2433, 3244, 4055, 4866, 7299, 8110, 9732, 10543, 12165, 14598, 16220, 21086, 24330, 29196, 31629, 36495, 42172, 48660, 52715, 63258, 72990, 94887, 105430, 126516, 145980, 158145, 189774, 210860, 316290, 379548, 474435, 632580, 948870, 1897740]

約数ペア:

[(1, 1897740), (2, 948870), (3, 632580), (4, 474435), (5, 379548), (6, 316290), (9, 210860), (10, 189774), (12, 158145), (13, 145980), (15, 126516), (18, 105430), (20, 94887), (26, 72990), (30, 63258), (36, 52715), (39, 48660), (45, 42172), (52, 36495), (60, 31629), (65, 29196), (78, 24330), (90, 21086), (117, 16220), (130, 14598), (156, 12165), (180, 10543), (195, 9732), (234, 8110), (260, 7299), (390, 4866), (468, 4055), (585, 3244), (780, 2433), (811, 2340), (1170, 1622)]