207777720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 648426240

約数和(自身を除く): 440648520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 67, 86, 120, 129, 134, 172, 201, 215, 258, 268, 335, 344, 402, 430, 516, 536, 601, 645, 670, 804, 860, 1005, 1032, 1202, 1290, 1340, 1608, 1720, 1803, 2010, 2404, 2580, 2680, 2881, 3005, 3606, 4020, 4808, 5160, 5762, 6010, 7212, 8040, 8643, 9015, 11524, 12020, 14405, 14424, 17286, 18030, 23048, 24040, 25843, 28810, 34572, 36060, 40267, 43215, 51686, 57620, 69144, 72120, 77529, 80534, 86430, 103372, 115240, 120801, 129215, 155058, 161068, 172860, 201335, 206744, 241602, 258430, 310116, 322136, 345720, 387645, 402670, 483204, 516860, 604005, 620232, 775290, 805340, 966408, 1033720, 1208010, 1550580, 1610680, 1731481, 2416020, 3101160, 3462962, 4832040, 5194443, 6925924, 8657405, 10388886, 13851848, 17314810, 20777772, 25972215, 34629620, 41555544, 51944430, 69259240, 103888860, 207777720]

約数ペア:

[(1, 207777720), (2, 103888860), (3, 69259240), (4, 51944430), (5, 41555544), (6, 34629620), (8, 25972215), (10, 20777772), (12, 17314810), (15, 13851848), (20, 10388886), (24, 8657405), (30, 6925924), (40, 5194443), (43, 4832040), (60, 3462962), (67, 3101160), (86, 2416020), (120, 1731481), (129, 1610680), (134, 1550580), (172, 1208010), (201, 1033720), (215, 966408), (258, 805340), (268, 775290), (335, 620232), (344, 604005), (402, 516860), (430, 483204), (516, 402670), (536, 387645), (601, 345720), (645, 322136), (670, 310116), (804, 258430), (860, 241602), (1005, 206744), (1032, 201335), (1202, 172860), (1290, 161068), (1340, 155058), (1608, 129215), (1720, 120801), (1803, 115240), (2010, 103372), (2404, 86430), (2580, 80534), (2680, 77529), (2881, 72120), (3005, 69144), (3606, 57620), (4020, 51686), (4808, 43215), (5160, 40267), (5762, 36060), (6010, 34572), (7212, 28810), (8040, 25843), (8643, 24040), (9015, 23048), (11524, 18030), (12020, 17286), (14405, 14424)]