256356720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9623}}^1$

素因数の和:9679

約数の個数: 120

約数和(自身を含む): 884291616

約数和(自身を除く): 627934896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 9623, 13320, 19246, 26640, 28869, 38492, 48115, 57738, 76984, 86607, 96230, 115476, 144345, 153968, 173214, 192460, 230952, 288690, 346428, 356051, 384920, 433035, 461904, 577380, 692856, 712102, 769840, 866070, 1068153, 1154760, 1385712, 1424204, 1732140, 1780255, 2136306, 2309520, 2848408, 3204459, 3464280, 3560510, 4272612, 5340765, 5696816, 6408918, 6928560, 7121020, 8545224, 10681530, 12817836, 14242040, 16022295, 17090448, 21363060, 25635672, 28484080, 32044590, 42726120, 51271344, 64089180, 85452240, 128178360, 256356720]

約数ペア:

[(1, 256356720), (2, 128178360), (3, 85452240), (4, 64089180), (5, 51271344), (6, 42726120), (8, 32044590), (9, 28484080), (10, 25635672), (12, 21363060), (15, 17090448), (16, 16022295), (18, 14242040), (20, 12817836), (24, 10681530), (30, 8545224), (36, 7121020), (37, 6928560), (40, 6408918), (45, 5696816), (48, 5340765), (60, 4272612), (72, 3560510), (74, 3464280), (80, 3204459), (90, 2848408), (111, 2309520), (120, 2136306), (144, 1780255), (148, 1732140), (180, 1424204), (185, 1385712), (222, 1154760), (240, 1068153), (296, 866070), (333, 769840), (360, 712102), (370, 692856), (444, 577380), (555, 461904), (592, 433035), (666, 384920), (720, 356051), (740, 346428), (888, 288690), (1110, 230952), (1332, 192460), (1480, 173214), (1665, 153968), (1776, 144345), (2220, 115476), (2664, 96230), (2960, 86607), (3330, 76984), (4440, 57738), (5328, 48115), (6660, 38492), (8880, 28869), (9623, 26640), (13320, 19246)]