388289160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{51361}}^1$

素因数の和:51388

約数の個数: 128

約数和(自身を含む): 1479225600

約数和(自身を除く): 1090936440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 51361, 102722, 154083, 205444, 256805, 308166, 359527, 410888, 462249, 513610, 616332, 719054, 770415, 924498, 1027220, 1078581, 1232664, 1386747, 1438108, 1540830, 1797635, 1848996, 2054440, 2157162, 2311245, 2773494, 2876216, 3081660, 3235743, 3595270, 3697992, 4314324, 4622490, 5392905, 5546988, 6163320, 6471486, 6933735, 7190540, 8628648, 9244980, 9707229, 10785810, 11093976, 12942972, 13867470, 14381080, 16178715, 18489960, 19414458, 21571620, 25885944, 27734940, 32357430, 38828916, 43143240, 48536145, 55469880, 64714860, 77657832, 97072290, 129429720, 194144580, 388289160]

約数ペア:

[(1, 388289160), (2, 194144580), (3, 129429720), (4, 97072290), (5, 77657832), (6, 64714860), (7, 55469880), (8, 48536145), (9, 43143240), (10, 38828916), (12, 32357430), (14, 27734940), (15, 25885944), (18, 21571620), (20, 19414458), (21, 18489960), (24, 16178715), (27, 14381080), (28, 13867470), (30, 12942972), (35, 11093976), (36, 10785810), (40, 9707229), (42, 9244980), (45, 8628648), (54, 7190540), (56, 6933735), (60, 6471486), (63, 6163320), (70, 5546988), (72, 5392905), (84, 4622490), (90, 4314324), (105, 3697992), (108, 3595270), (120, 3235743), (126, 3081660), (135, 2876216), (140, 2773494), (168, 2311245), (180, 2157162), (189, 2054440), (210, 1848996), (216, 1797635), (252, 1540830), (270, 1438108), (280, 1386747), (315, 1232664), (360, 1078581), (378, 1027220), (420, 924498), (504, 770415), (540, 719054), (630, 616332), (756, 513610), (840, 462249), (945, 410888), (1080, 359527), (1260, 308166), (1512, 256805), (1890, 205444), (2520, 154083), (3780, 102722), (7560, 51361)]