281210040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{781139}}^1$

素因数の和:781156

約数の個数: 48

約数和(自身を含む): 913933800

約数和(自身を除く): 632723760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 781139, 1562278, 2343417, 3124556, 3905695, 4686834, 6249112, 7030251, 7811390, 9373668, 11717085, 14060502, 15622780, 18747336, 23434170, 28121004, 31245560, 35151255, 46868340, 56242008, 70302510, 93736680, 140605020, 281210040]

約数ペア:

[(1, 281210040), (2, 140605020), (3, 93736680), (4, 70302510), (5, 56242008), (6, 46868340), (8, 35151255), (9, 31245560), (10, 28121004), (12, 23434170), (15, 18747336), (18, 15622780), (20, 14060502), (24, 11717085), (30, 9373668), (36, 7811390), (40, 7030251), (45, 6249112), (60, 4686834), (72, 3905695), (90, 3124556), (120, 2343417), (180, 1562278), (360, 781139)]