2541240

素因数分解:

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

素因数の和:214

約数の個数: 128

約数和(自身を含む): 9172800

約数和(自身を除く): 6631560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 181, 195, 216, 234, 260, 270, 312, 351, 360, 362, 390, 468, 520, 540, 543, 585, 702, 724, 780, 905, 936, 1080, 1086, 1170, 1404, 1448, 1560, 1629, 1755, 1810, 2172, 2340, 2353, 2715, 2808, 3258, 3510, 3620, 4344, 4680, 4706, 4887, 5430, 6516, 7020, 7059, 7240, 8145, 9412, 9774, 10860, 11765, 13032, 14040, 14118, 16290, 18824, 19548, 21177, 21720, 23530, 24435, 28236, 32580, 35295, 39096, 42354, 47060, 48870, 56472, 63531, 65160, 70590, 84708, 94120, 97740, 105885, 127062, 141180, 169416, 195480, 211770, 254124, 282360, 317655, 423540, 508248, 635310, 847080, 1270620, 2541240]

約数ペア:

[(1, 2541240), (2, 1270620), (3, 847080), (4, 635310), (5, 508248), (6, 423540), (8, 317655), (9, 282360), (10, 254124), (12, 211770), (13, 195480), (15, 169416), (18, 141180), (20, 127062), (24, 105885), (26, 97740), (27, 94120), (30, 84708), (36, 70590), (39, 65160), (40, 63531), (45, 56472), (52, 48870), (54, 47060), (60, 42354), (65, 39096), (72, 35295), (78, 32580), (90, 28236), (104, 24435), (108, 23530), (117, 21720), (120, 21177), (130, 19548), (135, 18824), (156, 16290), (180, 14118), (181, 14040), (195, 13032), (216, 11765), (234, 10860), (260, 9774), (270, 9412), (312, 8145), (351, 7240), (360, 7059), (362, 7020), (390, 6516), (468, 5430), (520, 4887), (540, 4706), (543, 4680), (585, 4344), (702, 3620), (724, 3510), (780, 3258), (905, 2808), (936, 2715), (1080, 2353), (1086, 2340), (1170, 2172), (1404, 1810), (1448, 1755), (1560, 1629)]