80271400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 213736320

約数和(自身を除く): 133464920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 107, 110, 121, 124, 155, 200, 214, 220, 242, 248, 275, 310, 341, 428, 440, 484, 535, 550, 605, 620, 682, 775, 856, 968, 1070, 1100, 1177, 1210, 1240, 1364, 1550, 1705, 2140, 2200, 2354, 2420, 2675, 2728, 3025, 3100, 3317, 3410, 3751, 4280, 4708, 4840, 5350, 5885, 6050, 6200, 6634, 6820, 7502, 8525, 9416, 10700, 11770, 12100, 12947, 13268, 13640, 15004, 16585, 17050, 18755, 21400, 23540, 24200, 25894, 26536, 29425, 30008, 33170, 34100, 36487, 37510, 47080, 51788, 58850, 64735, 66340, 68200, 72974, 75020, 82925, 93775, 103576, 117700, 129470, 132680, 145948, 150040, 165850, 182435, 187550, 235400, 258940, 291896, 323675, 331700, 364870, 375100, 401357, 517880, 647350, 663400, 729740, 750200, 802714, 912175, 1294700, 1459480, 1605428, 1824350, 2006785, 2589400, 3210856, 3648700, 4013570, 7297400, 8027140, 10033925, 16054280, 20067850, 40135700, 80271400]

約数ペア:

[(1, 80271400), (2, 40135700), (4, 20067850), (5, 16054280), (8, 10033925), (10, 8027140), (11, 7297400), (20, 4013570), (22, 3648700), (25, 3210856), (31, 2589400), (40, 2006785), (44, 1824350), (50, 1605428), (55, 1459480), (62, 1294700), (88, 912175), (100, 802714), (107, 750200), (110, 729740), (121, 663400), (124, 647350), (155, 517880), (200, 401357), (214, 375100), (220, 364870), (242, 331700), (248, 323675), (275, 291896), (310, 258940), (341, 235400), (428, 187550), (440, 182435), (484, 165850), (535, 150040), (550, 145948), (605, 132680), (620, 129470), (682, 117700), (775, 103576), (856, 93775), (968, 82925), (1070, 75020), (1100, 72974), (1177, 68200), (1210, 66340), (1240, 64735), (1364, 58850), (1550, 51788), (1705, 47080), (2140, 37510), (2200, 36487), (2354, 34100), (2420, 33170), (2675, 30008), (2728, 29425), (3025, 26536), (3100, 25894), (3317, 24200), (3410, 23540), (3751, 21400), (4280, 18755), (4708, 17050), (4840, 16585), (5350, 15004), (5885, 13640), (6050, 13268), (6200, 12947), (6634, 12100), (6820, 11770), (7502, 10700), (8525, 9416)]