40448340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11827}}^1$

素因数の和:11861

約数の個数: 72

約数和(自身を含む): 129161760

約数和(自身を除く): 88713420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 11827, 23654, 35481, 47308, 59135, 70962, 106443, 118270, 141924, 177405, 212886, 224713, 236540, 354810, 425772, 449426, 532215, 674139, 709620, 898852, 1064430, 1123565, 1348278, 2022417, 2128860, 2247130, 2696556, 3370695, 4044834, 4494260, 6741390, 8089668, 10112085, 13482780, 20224170, 40448340]

約数ペア:

[(1, 40448340), (2, 20224170), (3, 13482780), (4, 10112085), (5, 8089668), (6, 6741390), (9, 4494260), (10, 4044834), (12, 3370695), (15, 2696556), (18, 2247130), (19, 2128860), (20, 2022417), (30, 1348278), (36, 1123565), (38, 1064430), (45, 898852), (57, 709620), (60, 674139), (76, 532215), (90, 449426), (95, 425772), (114, 354810), (171, 236540), (180, 224713), (190, 212886), (228, 177405), (285, 141924), (342, 118270), (380, 106443), (570, 70962), (684, 59135), (855, 47308), (1140, 35481), (1710, 23654), (3420, 11827)]