19544280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 48884520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 439, 530, 636, 742, 795, 840, 878, 1060, 1113, 1272, 1317, 1484, 1590, 1756, 1855, 2120, 2195, 2226, 2634, 2968, 3073, 3180, 3512, 3710, 4390, 4452, 5268, 5565, 6146, 6360, 6585, 7420, 8780, 8904, 9219, 10536, 11130, 12292, 13170, 14840, 15365, 17560, 18438, 22260, 23267, 24584, 26340, 30730, 36876, 44520, 46095, 46534, 52680, 61460, 69801, 73752, 92190, 93068, 116335, 122920, 139602, 162869, 184380, 186136, 232670, 279204, 325738, 349005, 368760, 465340, 488607, 558408, 651476, 698010, 814345, 930680, 977214, 1302952, 1396020, 1628690, 1954428, 2443035, 2792040, 3257380, 3908856, 4886070, 6514760, 9772140, 19544280]

約数ペア:

[(1, 19544280), (2, 9772140), (3, 6514760), (4, 4886070), (5, 3908856), (6, 3257380), (7, 2792040), (8, 2443035), (10, 1954428), (12, 1628690), (14, 1396020), (15, 1302952), (20, 977214), (21, 930680), (24, 814345), (28, 698010), (30, 651476), (35, 558408), (40, 488607), (42, 465340), (53, 368760), (56, 349005), (60, 325738), (70, 279204), (84, 232670), (105, 186136), (106, 184380), (120, 162869), (140, 139602), (159, 122920), (168, 116335), (210, 93068), (212, 92190), (265, 73752), (280, 69801), (318, 61460), (371, 52680), (420, 46534), (424, 46095), (439, 44520), (530, 36876), (636, 30730), (742, 26340), (795, 24584), (840, 23267), (878, 22260), (1060, 18438), (1113, 17560), (1272, 15365), (1317, 14840), (1484, 13170), (1590, 12292), (1756, 11130), (1855, 10536), (2120, 9219), (2195, 8904), (2226, 8780), (2634, 7420), (2968, 6585), (3073, 6360), (3180, 6146), (3512, 5565), (3710, 5268), (4390, 4452)]