158283520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4041

約数の個数: 72

約数和(自身を含む): 391466880

約数和(自身を除く): 233183360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 3989, 4960, 7936, 7978, 9920, 15956, 19840, 19945, 31912, 39680, 39890, 63824, 79780, 123659, 127648, 159560, 247318, 255296, 319120, 494636, 510592, 618295, 638240, 989272, 1021184, 1236590, 1276480, 1978544, 2473180, 2552960, 3957088, 4946360, 5105920, 7914176, 9892720, 15828352, 19785440, 31656704, 39570880, 79141760, 158283520]

約数ペア:

[(1, 158283520), (2, 79141760), (4, 39570880), (5, 31656704), (8, 19785440), (10, 15828352), (16, 9892720), (20, 7914176), (31, 5105920), (32, 4946360), (40, 3957088), (62, 2552960), (64, 2473180), (80, 1978544), (124, 1276480), (128, 1236590), (155, 1021184), (160, 989272), (248, 638240), (256, 618295), (310, 510592), (320, 494636), (496, 319120), (620, 255296), (640, 247318), (992, 159560), (1240, 127648), (1280, 123659), (1984, 79780), (2480, 63824), (3968, 39890), (3989, 39680), (4960, 31912), (7936, 19945), (7978, 19840), (9920, 15956)]