217264920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 673885440

約数和(自身を除く): 456620520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 67, 120, 122, 134, 183, 201, 244, 268, 305, 335, 366, 402, 443, 488, 536, 610, 670, 732, 804, 886, 915, 1005, 1220, 1329, 1340, 1464, 1608, 1772, 1830, 2010, 2215, 2440, 2658, 2680, 3544, 3660, 4020, 4087, 4430, 5316, 6645, 7320, 8040, 8174, 8860, 10632, 12261, 13290, 16348, 17720, 20435, 24522, 26580, 27023, 29681, 32696, 40870, 49044, 53160, 54046, 59362, 61305, 81069, 81740, 89043, 98088, 108092, 118724, 122610, 135115, 148405, 162138, 163480, 178086, 216184, 237448, 245220, 270230, 296810, 324276, 356172, 405345, 445215, 490440, 540460, 593620, 648552, 712344, 810690, 890430, 1080920, 1187240, 1621380, 1780860, 1810541, 3242760, 3561720, 3621082, 5431623, 7242164, 9052705, 10863246, 14484328, 18105410, 21726492, 27158115, 36210820, 43452984, 54316230, 72421640, 108632460, 217264920]

約数ペア:

[(1, 217264920), (2, 108632460), (3, 72421640), (4, 54316230), (5, 43452984), (6, 36210820), (8, 27158115), (10, 21726492), (12, 18105410), (15, 14484328), (20, 10863246), (24, 9052705), (30, 7242164), (40, 5431623), (60, 3621082), (61, 3561720), (67, 3242760), (120, 1810541), (122, 1780860), (134, 1621380), (183, 1187240), (201, 1080920), (244, 890430), (268, 810690), (305, 712344), (335, 648552), (366, 593620), (402, 540460), (443, 490440), (488, 445215), (536, 405345), (610, 356172), (670, 324276), (732, 296810), (804, 270230), (886, 245220), (915, 237448), (1005, 216184), (1220, 178086), (1329, 163480), (1340, 162138), (1464, 148405), (1608, 135115), (1772, 122610), (1830, 118724), (2010, 108092), (2215, 98088), (2440, 89043), (2658, 81740), (2680, 81069), (3544, 61305), (3660, 59362), (4020, 54046), (4087, 53160), (4430, 49044), (5316, 40870), (6645, 32696), (7320, 29681), (8040, 27023), (8174, 26580), (8860, 24522), (10632, 20435), (12261, 17720), (13290, 16348)]