640337724

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{152027}}^1$

素因数の和:152056

約数の個数: 60

約数和(自身を含む): 1802748024

約数和(自身を除く): 1162410300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 152027, 304054, 456081, 608108, 912162, 1368243, 1824324, 1976351, 2736486, 3952702, 4104729, 5472972, 5929053, 7905404, 8209458, 11858106, 12314187, 16418916, 17787159, 23716212, 24628374, 35574318, 49256748, 53361477, 71148636, 106722954, 160084431, 213445908, 320168862, 640337724]

約数ペア:

[(1, 640337724), (2, 320168862), (3, 213445908), (4, 160084431), (6, 106722954), (9, 71148636), (12, 53361477), (13, 49256748), (18, 35574318), (26, 24628374), (27, 23716212), (36, 17787159), (39, 16418916), (52, 12314187), (54, 11858106), (78, 8209458), (81, 7905404), (108, 5929053), (117, 5472972), (156, 4104729), (162, 3952702), (234, 2736486), (324, 1976351), (351, 1824324), (468, 1368243), (702, 912162), (1053, 608108), (1404, 456081), (2106, 304054), (4212, 152027)]