315042040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 793152000

約数和(自身を除く): 478109960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 67, 76, 92, 95, 115, 134, 152, 184, 190, 230, 268, 269, 335, 380, 437, 460, 536, 538, 670, 760, 874, 920, 1076, 1273, 1340, 1345, 1541, 1748, 2152, 2185, 2546, 2680, 2690, 3082, 3496, 4370, 5092, 5111, 5380, 6164, 6187, 6365, 7705, 8740, 10184, 10222, 10760, 12328, 12374, 12730, 15410, 17480, 18023, 20444, 24748, 25460, 25555, 29279, 30820, 30935, 36046, 40888, 49496, 50920, 51110, 58558, 61640, 61870, 72092, 90115, 102220, 117116, 117553, 123740, 144184, 146395, 180230, 204440, 234232, 235106, 247480, 292790, 342437, 360460, 414529, 470212, 585580, 587765, 684874, 720920, 829058, 940424, 1171160, 1175530, 1369748, 1658116, 1712185, 2072645, 2351060, 2739496, 3316232, 3424370, 4145290, 4702120, 6848740, 7876051, 8290580, 13697480, 15752102, 16581160, 31504204, 39380255, 63008408, 78760510, 157521020, 315042040]

約数ペア:

[(1, 315042040), (2, 157521020), (4, 78760510), (5, 63008408), (8, 39380255), (10, 31504204), (19, 16581160), (20, 15752102), (23, 13697480), (38, 8290580), (40, 7876051), (46, 6848740), (67, 4702120), (76, 4145290), (92, 3424370), (95, 3316232), (115, 2739496), (134, 2351060), (152, 2072645), (184, 1712185), (190, 1658116), (230, 1369748), (268, 1175530), (269, 1171160), (335, 940424), (380, 829058), (437, 720920), (460, 684874), (536, 587765), (538, 585580), (670, 470212), (760, 414529), (874, 360460), (920, 342437), (1076, 292790), (1273, 247480), (1340, 235106), (1345, 234232), (1541, 204440), (1748, 180230), (2152, 146395), (2185, 144184), (2546, 123740), (2680, 117553), (2690, 117116), (3082, 102220), (3496, 90115), (4370, 72092), (5092, 61870), (5111, 61640), (5380, 58558), (6164, 51110), (6187, 50920), (6365, 49496), (7705, 40888), (8740, 36046), (10184, 30935), (10222, 30820), (10760, 29279), (12328, 25555), (12374, 25460), (12730, 24748), (15410, 20444), (17480, 18023)]