172181440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1086

約数の個数: 112

約数和(自身を含む): 448568064

約数和(自身を除く): 276386624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1021, 1054, 1088, 1240, 1360, 1984, 2042, 2108, 2480, 2635, 2720, 4084, 4216, 4960, 5105, 5270, 5440, 8168, 8432, 9920, 10210, 10540, 16336, 16864, 17357, 20420, 21080, 31651, 32672, 33728, 34714, 40840, 42160, 63302, 65344, 69428, 81680, 84320, 86785, 126604, 138856, 158255, 163360, 168640, 173570, 253208, 277712, 316510, 326720, 347140, 506416, 538067, 555424, 633020, 694280, 1012832, 1076134, 1110848, 1266040, 1388560, 2025664, 2152268, 2532080, 2690335, 2777120, 4304536, 5064160, 5380670, 5554240, 8609072, 10128320, 10761340, 17218144, 21522680, 34436288, 43045360, 86090720, 172181440]

約数ペア:

[(1, 172181440), (2, 86090720), (4, 43045360), (5, 34436288), (8, 21522680), (10, 17218144), (16, 10761340), (17, 10128320), (20, 8609072), (31, 5554240), (32, 5380670), (34, 5064160), (40, 4304536), (62, 2777120), (64, 2690335), (68, 2532080), (80, 2152268), (85, 2025664), (124, 1388560), (136, 1266040), (155, 1110848), (160, 1076134), (170, 1012832), (248, 694280), (272, 633020), (310, 555424), (320, 538067), (340, 506416), (496, 347140), (527, 326720), (544, 316510), (620, 277712), (680, 253208), (992, 173570), (1021, 168640), (1054, 163360), (1088, 158255), (1240, 138856), (1360, 126604), (1984, 86785), (2042, 84320), (2108, 81680), (2480, 69428), (2635, 65344), (2720, 63302), (4084, 42160), (4216, 40840), (4960, 34714), (5105, 33728), (5270, 32672), (5440, 31651), (8168, 21080), (8432, 20420), (9920, 17357), (10210, 16864), (10540, 16336)]