821210040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{325877}}^1$

素因数の和:325901

約数の個数: 96

約数和(自身を含む): 3050218080

約数和(自身を除く): 2229008040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 325877, 651754, 977631, 1303508, 1629385, 1955262, 2281139, 2607016, 2932893, 3258770, 3910524, 4562278, 4888155, 5865786, 6517540, 6843417, 7821048, 9124556, 9776310, 11405695, 11731572, 13035080, 13686834, 14664465, 18249112, 19552620, 20530251, 22811390, 23463144, 27373668, 29328930, 34217085, 39105240, 41060502, 45622780, 54747336, 58657860, 68434170, 82121004, 91245560, 102651255, 117315720, 136868340, 164242008, 205302510, 273736680, 410605020, 821210040]

約数ペア:

[(1, 821210040), (2, 410605020), (3, 273736680), (4, 205302510), (5, 164242008), (6, 136868340), (7, 117315720), (8, 102651255), (9, 91245560), (10, 82121004), (12, 68434170), (14, 58657860), (15, 54747336), (18, 45622780), (20, 41060502), (21, 39105240), (24, 34217085), (28, 29328930), (30, 27373668), (35, 23463144), (36, 22811390), (40, 20530251), (42, 19552620), (45, 18249112), (56, 14664465), (60, 13686834), (63, 13035080), (70, 11731572), (72, 11405695), (84, 9776310), (90, 9124556), (105, 7821048), (120, 6843417), (126, 6517540), (140, 5865786), (168, 4888155), (180, 4562278), (210, 3910524), (252, 3258770), (280, 2932893), (315, 2607016), (360, 2281139), (420, 1955262), (504, 1629385), (630, 1303508), (840, 977631), (1260, 651754), (2520, 325877)]