172401720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 538755840

約数和(自身を除く): 366354120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 67, 82, 120, 123, 134, 164, 201, 205, 246, 268, 328, 335, 402, 410, 492, 523, 536, 615, 670, 804, 820, 984, 1005, 1046, 1230, 1340, 1569, 1608, 1640, 2010, 2092, 2460, 2615, 2680, 2747, 3138, 4020, 4184, 4920, 5230, 5494, 6276, 7845, 8040, 8241, 10460, 10988, 12552, 13735, 15690, 16482, 20920, 21443, 21976, 27470, 31380, 32964, 35041, 41205, 42886, 54940, 62760, 64329, 65928, 70082, 82410, 85772, 105123, 107215, 109880, 128658, 140164, 164820, 171544, 175205, 210246, 214430, 257316, 280328, 321645, 329640, 350410, 420492, 428860, 514632, 525615, 643290, 700820, 840984, 857720, 1051230, 1286580, 1401640, 1436681, 2102460, 2573160, 2873362, 4204920, 4310043, 5746724, 7183405, 8620086, 11493448, 14366810, 17240172, 21550215, 28733620, 34480344, 43100430, 57467240, 86200860, 172401720]

約数ペア:

[(1, 172401720), (2, 86200860), (3, 57467240), (4, 43100430), (5, 34480344), (6, 28733620), (8, 21550215), (10, 17240172), (12, 14366810), (15, 11493448), (20, 8620086), (24, 7183405), (30, 5746724), (40, 4310043), (41, 4204920), (60, 2873362), (67, 2573160), (82, 2102460), (120, 1436681), (123, 1401640), (134, 1286580), (164, 1051230), (201, 857720), (205, 840984), (246, 700820), (268, 643290), (328, 525615), (335, 514632), (402, 428860), (410, 420492), (492, 350410), (523, 329640), (536, 321645), (615, 280328), (670, 257316), (804, 214430), (820, 210246), (984, 175205), (1005, 171544), (1046, 164820), (1230, 140164), (1340, 128658), (1569, 109880), (1608, 107215), (1640, 105123), (2010, 85772), (2092, 82410), (2460, 70082), (2615, 65928), (2680, 64329), (2747, 62760), (3138, 54940), (4020, 42886), (4184, 41205), (4920, 35041), (5230, 32964), (5494, 31380), (6276, 27470), (7845, 21976), (8040, 21443), (8241, 20920), (10460, 16482), (10988, 15690), (12552, 13735)]