21175654320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{30103}}^1$

素因数の和:31099

約数の個数: 120

約数和(自身を含む): 71190059616

約数和(自身を除く): 50014405296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 977, 1954, 2931, 3908, 4885, 5862, 7816, 8793, 9770, 11724, 14655, 15632, 17586, 19540, 23448, 29310, 30103, 35172, 39080, 43965, 46896, 58620, 60206, 70344, 78160, 87930, 90309, 117240, 120412, 140688, 150515, 175860, 180618, 234480, 240824, 270927, 301030, 351720, 361236, 451545, 481648, 541854, 602060, 703440, 722472, 903090, 1083708, 1204120, 1354635, 1444944, 1806180, 2167416, 2408240, 2709270, 3612360, 4334832, 5418540, 7224720, 10837080, 21674160, 29410631, 58821262, 88231893, 117642524, 147053155, 176463786, 235285048, 264695679, 294106310, 352927572, 441159465, 470570096, 529391358, 588212620, 705855144, 882318930, 1058782716, 1176425240, 1323478395, 1411710288, 1764637860, 2117565432, 2352850480, 2646956790, 3529275720, 4235130864, 5293913580, 7058551440, 10587827160, 21175654320]

約数ペア:

[(1, 21175654320), (2, 10587827160), (3, 7058551440), (4, 5293913580), (5, 4235130864), (6, 3529275720), (8, 2646956790), (9, 2352850480), (10, 2117565432), (12, 1764637860), (15, 1411710288), (16, 1323478395), (18, 1176425240), (20, 1058782716), (24, 882318930), (30, 705855144), (36, 588212620), (40, 529391358), (45, 470570096), (48, 441159465), (60, 352927572), (72, 294106310), (80, 264695679), (90, 235285048), (120, 176463786), (144, 147053155), (180, 117642524), (240, 88231893), (360, 58821262), (720, 29410631), (977, 21674160), (1954, 10837080), (2931, 7224720), (3908, 5418540), (4885, 4334832), (5862, 3612360), (7816, 2709270), (8793, 2408240), (9770, 2167416), (11724, 1806180), (14655, 1444944), (15632, 1354635), (17586, 1204120), (19540, 1083708), (23448, 903090), (29310, 722472), (30103, 703440), (35172, 602060), (39080, 541854), (43965, 481648), (46896, 451545), (58620, 361236), (60206, 351720), (70344, 301030), (78160, 270927), (87930, 240824), (90309, 234480), (117240, 180618), (120412, 175860), (140688, 150515)]