1905930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:213

約数の個数: 80

約数和(自身を含む): 5549544

約数和(自身を除く): 3643614

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 181, 195, 234, 270, 351, 362, 390, 405, 543, 585, 702, 810, 905, 1053, 1086, 1170, 1629, 1755, 1810, 2106, 2353, 2715, 3258, 3510, 4706, 4887, 5265, 5430, 7059, 8145, 9774, 10530, 11765, 14118, 14661, 16290, 21177, 23530, 24435, 29322, 35295, 42354, 48870, 63531, 70590, 73305, 105885, 127062, 146610, 190593, 211770, 317655, 381186, 635310, 952965, 1905930]

約数ペア:

[(1, 1905930), (2, 952965), (3, 635310), (5, 381186), (6, 317655), (9, 211770), (10, 190593), (13, 146610), (15, 127062), (18, 105885), (26, 73305), (27, 70590), (30, 63531), (39, 48870), (45, 42354), (54, 35295), (65, 29322), (78, 24435), (81, 23530), (90, 21177), (117, 16290), (130, 14661), (135, 14118), (162, 11765), (181, 10530), (195, 9774), (234, 8145), (270, 7059), (351, 5430), (362, 5265), (390, 4887), (405, 4706), (543, 3510), (585, 3258), (702, 2715), (810, 2353), (905, 2106), (1053, 1810), (1086, 1755), (1170, 1629)]