397657320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 1219276800

約数和(自身を除く): 821619480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 127, 194, 254, 269, 291, 381, 388, 485, 508, 538, 582, 635, 762, 776, 807, 970, 1016, 1076, 1164, 1270, 1345, 1455, 1524, 1614, 1905, 1940, 2152, 2328, 2540, 2690, 2910, 3048, 3228, 3810, 3880, 4035, 5080, 5380, 5820, 6456, 7620, 8070, 10760, 11640, 12319, 15240, 16140, 24638, 26093, 32280, 34163, 36957, 49276, 52186, 61595, 68326, 73914, 78279, 98552, 102489, 104372, 123190, 130465, 136652, 147828, 156558, 170815, 184785, 204978, 208744, 246380, 260930, 273304, 295656, 313116, 341630, 369570, 391395, 409956, 492760, 512445, 521860, 626232, 683260, 739140, 782790, 819912, 1024890, 1043720, 1366520, 1478280, 1565580, 2049780, 3131160, 3313811, 4099560, 6627622, 9941433, 13255244, 16569055, 19882866, 26510488, 33138110, 39765732, 49707165, 66276220, 79531464, 99414330, 132552440, 198828660, 397657320]

約数ペア:

[(1, 397657320), (2, 198828660), (3, 132552440), (4, 99414330), (5, 79531464), (6, 66276220), (8, 49707165), (10, 39765732), (12, 33138110), (15, 26510488), (20, 19882866), (24, 16569055), (30, 13255244), (40, 9941433), (60, 6627622), (97, 4099560), (120, 3313811), (127, 3131160), (194, 2049780), (254, 1565580), (269, 1478280), (291, 1366520), (381, 1043720), (388, 1024890), (485, 819912), (508, 782790), (538, 739140), (582, 683260), (635, 626232), (762, 521860), (776, 512445), (807, 492760), (970, 409956), (1016, 391395), (1076, 369570), (1164, 341630), (1270, 313116), (1345, 295656), (1455, 273304), (1524, 260930), (1614, 246380), (1905, 208744), (1940, 204978), (2152, 184785), (2328, 170815), (2540, 156558), (2690, 147828), (2910, 136652), (3048, 130465), (3228, 123190), (3810, 104372), (3880, 102489), (4035, 98552), (5080, 78279), (5380, 73914), (5820, 68326), (6456, 61595), (7620, 52186), (8070, 49276), (10760, 36957), (11640, 34163), (12319, 32280), (15240, 26093), (16140, 24638)]