81016860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 234964800

約数和(自身を除く): 153947940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 73, 106, 146, 159, 212, 219, 265, 292, 318, 349, 365, 438, 530, 636, 698, 730, 795, 876, 1047, 1060, 1095, 1396, 1460, 1590, 1745, 2094, 2190, 3180, 3490, 3869, 4188, 4380, 5235, 6980, 7738, 10470, 11607, 15476, 18497, 19345, 20940, 23214, 25477, 36994, 38690, 46428, 50954, 55491, 58035, 73988, 76431, 77380, 92485, 101908, 110982, 116070, 127385, 152862, 184970, 221964, 232140, 254770, 277455, 305724, 369940, 382155, 509540, 554910, 764310, 1109820, 1350281, 1528620, 2700562, 4050843, 5401124, 6751405, 8101686, 13502810, 16203372, 20254215, 27005620, 40508430, 81016860]

約数ペア:

[(1, 81016860), (2, 40508430), (3, 27005620), (4, 20254215), (5, 16203372), (6, 13502810), (10, 8101686), (12, 6751405), (15, 5401124), (20, 4050843), (30, 2700562), (53, 1528620), (60, 1350281), (73, 1109820), (106, 764310), (146, 554910), (159, 509540), (212, 382155), (219, 369940), (265, 305724), (292, 277455), (318, 254770), (349, 232140), (365, 221964), (438, 184970), (530, 152862), (636, 127385), (698, 116070), (730, 110982), (795, 101908), (876, 92485), (1047, 77380), (1060, 76431), (1095, 73988), (1396, 58035), (1460, 55491), (1590, 50954), (1745, 46428), (2094, 38690), (2190, 36994), (3180, 25477), (3490, 23214), (3869, 20940), (4188, 19345), (4380, 18497), (5235, 15476), (6980, 11607), (7738, 10470)]