15207740660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1\times {\mathrm{919}}^1$

素因数の和:1378

約数の個数: 144

約数和(自身を含む): 38908934400

約数和(自身を除く): 23701193740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 409, 476, 578, 595, 818, 919, 1156, 1190, 1445, 1636, 1838, 2023, 2045, 2380, 2863, 2890, 3676, 4046, 4090, 4595, 5726, 5780, 6433, 6953, 8092, 8180, 9190, 10115, 11452, 12866, 13906, 14315, 15623, 18380, 20230, 25732, 27812, 28630, 31246, 32165, 34765, 40460, 48671, 57260, 62492, 64330, 69530, 78115, 97342, 109361, 118201, 128660, 139060, 156230, 194684, 218722, 236402, 243355, 265591, 312460, 375871, 437444, 472804, 486710, 531182, 546805, 591005, 751742, 827407, 973420, 1062364, 1093610, 1182010, 1327955, 1503484, 1654814, 1859137, 1879355, 2187220, 2364020, 2631097, 2655910, 3309628, 3718274, 3758710, 4137035, 5262194, 5311820, 6389807, 7436548, 7517420, 8274070, 9295685, 10524388, 12779614, 13155485, 16548140, 18591370, 25559228, 26310970, 31949035, 37182740, 44728649, 52621940, 63898070, 89457298, 108626719, 127796140, 178914596, 217253438, 223643245, 434506876, 447286490, 543133595, 760387033, 894572980, 1086267190, 1520774066, 2172534380, 3041548132, 3801935165, 7603870330, 15207740660]

約数ペア:

[(1, 15207740660), (2, 7603870330), (4, 3801935165), (5, 3041548132), (7, 2172534380), (10, 1520774066), (14, 1086267190), (17, 894572980), (20, 760387033), (28, 543133595), (34, 447286490), (35, 434506876), (68, 223643245), (70, 217253438), (85, 178914596), (119, 127796140), (140, 108626719), (170, 89457298), (238, 63898070), (289, 52621940), (340, 44728649), (409, 37182740), (476, 31949035), (578, 26310970), (595, 25559228), (818, 18591370), (919, 16548140), (1156, 13155485), (1190, 12779614), (1445, 10524388), (1636, 9295685), (1838, 8274070), (2023, 7517420), (2045, 7436548), (2380, 6389807), (2863, 5311820), (2890, 5262194), (3676, 4137035), (4046, 3758710), (4090, 3718274), (4595, 3309628), (5726, 2655910), (5780, 2631097), (6433, 2364020), (6953, 2187220), (8092, 1879355), (8180, 1859137), (9190, 1654814), (10115, 1503484), (11452, 1327955), (12866, 1182010), (13906, 1093610), (14315, 1062364), (15623, 973420), (18380, 827407), (20230, 751742), (25732, 591005), (27812, 546805), (28630, 531182), (31246, 486710), (32165, 472804), (34765, 437444), (40460, 375871), (48671, 312460), (57260, 265591), (62492, 243355), (64330, 236402), (69530, 218722), (78115, 194684), (97342, 156230), (109361, 139060), (118201, 128660)]