240785680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 585676800

約数和(自身を除く): 344891120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1229, 1240, 1264, 1580, 2449, 2458, 2480, 3160, 4898, 4916, 6145, 6320, 9796, 9832, 12245, 12290, 19592, 19664, 24490, 24580, 38099, 39184, 48980, 49160, 76198, 97091, 97960, 98320, 152396, 190495, 194182, 195920, 304792, 380990, 388364, 485455, 609584, 761980, 776728, 970910, 1523960, 1553456, 1941820, 3009821, 3047920, 3883640, 6019642, 7767280, 12039284, 15049105, 24078568, 30098210, 48157136, 60196420, 120392840, 240785680]

約数ペア:

[(1, 240785680), (2, 120392840), (4, 60196420), (5, 48157136), (8, 30098210), (10, 24078568), (16, 15049105), (20, 12039284), (31, 7767280), (40, 6019642), (62, 3883640), (79, 3047920), (80, 3009821), (124, 1941820), (155, 1553456), (158, 1523960), (248, 970910), (310, 776728), (316, 761980), (395, 609584), (496, 485455), (620, 388364), (632, 380990), (790, 304792), (1229, 195920), (1240, 194182), (1264, 190495), (1580, 152396), (2449, 98320), (2458, 97960), (2480, 97091), (3160, 76198), (4898, 49160), (4916, 48980), (6145, 39184), (6320, 38099), (9796, 24580), (9832, 24490), (12245, 19664), (12290, 19592)]