155327360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7829}}^1$

素因数の和:7879

約数の個数: 64

約数和(自身を含む): 383356800

約数和(自身を除く): 228029440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 7829, 9920, 15658, 19840, 31316, 39145, 62632, 78290, 125264, 156580, 242699, 250528, 313160, 485398, 501056, 626320, 970796, 1002112, 1213495, 1252640, 1941592, 2426990, 2505280, 3883184, 4853980, 5010560, 7766368, 9707960, 15532736, 19415920, 31065472, 38831840, 77663680, 155327360]

約数ペア:

[(1, 155327360), (2, 77663680), (4, 38831840), (5, 31065472), (8, 19415920), (10, 15532736), (16, 9707960), (20, 7766368), (31, 5010560), (32, 4853980), (40, 3883184), (62, 2505280), (64, 2426990), (80, 1941592), (124, 1252640), (128, 1213495), (155, 1002112), (160, 970796), (248, 626320), (310, 501056), (320, 485398), (496, 313160), (620, 250528), (640, 242699), (992, 156580), (1240, 125264), (1984, 78290), (2480, 62632), (3968, 39145), (4960, 31316), (7829, 19840), (9920, 15658)]