17801440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 45045504

約数和(自身を除く): 27244064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 97, 124, 148, 155, 160, 185, 194, 248, 296, 310, 370, 388, 485, 496, 592, 620, 740, 776, 970, 992, 1147, 1184, 1240, 1480, 1552, 1940, 2294, 2480, 2960, 3007, 3104, 3589, 3880, 4588, 4960, 5735, 5920, 6014, 7178, 7760, 9176, 11470, 12028, 14356, 15035, 15520, 17945, 18352, 22940, 24056, 28712, 30070, 35890, 36704, 45880, 48112, 57424, 60140, 71780, 91760, 96224, 111259, 114848, 120280, 143560, 183520, 222518, 240560, 287120, 445036, 481120, 556295, 574240, 890072, 1112590, 1780144, 2225180, 3560288, 4450360, 8900720, 17801440]

約数ペア:

[(1, 17801440), (2, 8900720), (4, 4450360), (5, 3560288), (8, 2225180), (10, 1780144), (16, 1112590), (20, 890072), (31, 574240), (32, 556295), (37, 481120), (40, 445036), (62, 287120), (74, 240560), (80, 222518), (97, 183520), (124, 143560), (148, 120280), (155, 114848), (160, 111259), (185, 96224), (194, 91760), (248, 71780), (296, 60140), (310, 57424), (370, 48112), (388, 45880), (485, 36704), (496, 35890), (592, 30070), (620, 28712), (740, 24056), (776, 22940), (970, 18352), (992, 17945), (1147, 15520), (1184, 15035), (1240, 14356), (1480, 12028), (1552, 11470), (1940, 9176), (2294, 7760), (2480, 7178), (2960, 6014), (3007, 5920), (3104, 5735), (3589, 4960), (3880, 4588)]