390862920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20231}}^1$

素因数の和:20275

約数の個数: 128

約数和(自身を含む): 1398435840

約数和(自身を除く): 1007572920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 20231, 40462, 60693, 80924, 101155, 121386, 141617, 161848, 202310, 242772, 283234, 303465, 404620, 424851, 465313, 485544, 566468, 606930, 708085, 809240, 849702, 930626, 1132936, 1213860, 1395939, 1416170, 1699404, 1861252, 2124255, 2326565, 2427720, 2791878, 2832340, 3257191, 3398808, 3722504, 4248510, 4653130, 5583756, 5664680, 6514382, 6979695, 8497020, 9306260, 9771573, 11167512, 13028764, 13959390, 16285955, 16994040, 18612520, 19543146, 26057528, 27918780, 32571910, 39086292, 48857865, 55837560, 65143820, 78172584, 97715730, 130287640, 195431460, 390862920]

約数ペア:

[(1, 390862920), (2, 195431460), (3, 130287640), (4, 97715730), (5, 78172584), (6, 65143820), (7, 55837560), (8, 48857865), (10, 39086292), (12, 32571910), (14, 27918780), (15, 26057528), (20, 19543146), (21, 18612520), (23, 16994040), (24, 16285955), (28, 13959390), (30, 13028764), (35, 11167512), (40, 9771573), (42, 9306260), (46, 8497020), (56, 6979695), (60, 6514382), (69, 5664680), (70, 5583756), (84, 4653130), (92, 4248510), (105, 3722504), (115, 3398808), (120, 3257191), (138, 2832340), (140, 2791878), (161, 2427720), (168, 2326565), (184, 2124255), (210, 1861252), (230, 1699404), (276, 1416170), (280, 1395939), (322, 1213860), (345, 1132936), (420, 930626), (460, 849702), (483, 809240), (552, 708085), (644, 606930), (690, 566468), (805, 485544), (840, 465313), (920, 424851), (966, 404620), (1288, 303465), (1380, 283234), (1610, 242772), (1932, 202310), (2415, 161848), (2760, 141617), (3220, 121386), (3864, 101155), (4830, 80924), (6440, 60693), (9660, 40462), (19320, 20231)]