40720890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 112343040

約数和(自身を除く): 71622150

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 211, 422, 633, 919, 1055, 1266, 1477, 1838, 2110, 2757, 2954, 3165, 4431, 4595, 5514, 6330, 6433, 7385, 8862, 9190, 12866, 13785, 14770, 19299, 22155, 27570, 32165, 38598, 44310, 64330, 96495, 192990, 193909, 387818, 581727, 969545, 1163454, 1357363, 1939090, 2714726, 2908635, 4072089, 5817270, 6786815, 8144178, 13573630, 20360445, 40720890]

約数ペア:

[(1, 40720890), (2, 20360445), (3, 13573630), (5, 8144178), (6, 6786815), (7, 5817270), (10, 4072089), (14, 2908635), (15, 2714726), (21, 1939090), (30, 1357363), (35, 1163454), (42, 969545), (70, 581727), (105, 387818), (210, 193909), (211, 192990), (422, 96495), (633, 64330), (919, 44310), (1055, 38598), (1266, 32165), (1477, 27570), (1838, 22155), (2110, 19299), (2757, 14770), (2954, 13785), (3165, 12866), (4431, 9190), (4595, 8862), (5514, 7385), (6330, 6433)]