2581320

素因数分解:

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

素因数の和:467

約数の個数: 96

約数和(自身を含む): 9028800

約数和(自身を除く): 6447480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 439, 490, 588, 735, 840, 878, 980, 1176, 1317, 1470, 1756, 1960, 2195, 2634, 2940, 3073, 3512, 4390, 5268, 5880, 6146, 6585, 8780, 9219, 10536, 12292, 13170, 15365, 17560, 18438, 21511, 24584, 26340, 30730, 36876, 43022, 46095, 52680, 61460, 64533, 73752, 86044, 92190, 107555, 122920, 129066, 172088, 184380, 215110, 258132, 322665, 368760, 430220, 516264, 645330, 860440, 1290660, 2581320]

約数ペア:

[(1, 2581320), (2, 1290660), (3, 860440), (4, 645330), (5, 516264), (6, 430220), (7, 368760), (8, 322665), (10, 258132), (12, 215110), (14, 184380), (15, 172088), (20, 129066), (21, 122920), (24, 107555), (28, 92190), (30, 86044), (35, 73752), (40, 64533), (42, 61460), (49, 52680), (56, 46095), (60, 43022), (70, 36876), (84, 30730), (98, 26340), (105, 24584), (120, 21511), (140, 18438), (147, 17560), (168, 15365), (196, 13170), (210, 12292), (245, 10536), (280, 9219), (294, 8780), (392, 6585), (420, 6146), (439, 5880), (490, 5268), (588, 4390), (735, 3512), (840, 3073), (878, 2940), (980, 2634), (1176, 2195), (1317, 1960), (1470, 1756)]