78458820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 246141504

約数和(自身を除く): 167682684

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 101, 107, 110, 121, 132, 165, 202, 214, 220, 242, 303, 321, 330, 363, 404, 428, 484, 505, 535, 605, 606, 642, 660, 726, 1010, 1070, 1111, 1177, 1210, 1212, 1284, 1452, 1515, 1605, 1815, 2020, 2140, 2222, 2354, 2420, 3030, 3210, 3333, 3531, 3630, 4444, 4708, 5555, 5885, 6060, 6420, 6666, 7062, 7260, 10807, 11110, 11770, 12221, 12947, 13332, 14124, 16665, 17655, 21614, 22220, 23540, 24442, 25894, 32421, 33330, 35310, 36663, 38841, 43228, 48884, 51788, 54035, 61105, 64735, 64842, 66660, 70620, 73326, 77682, 108070, 118877, 122210, 129470, 129684, 146652, 155364, 162105, 183315, 194205, 216140, 237754, 244420, 258940, 324210, 356631, 366630, 388410, 475508, 594385, 648420, 713262, 733260, 776820, 1188770, 1307647, 1426524, 1783155, 2377540, 2615294, 3566310, 3922941, 5230588, 6538235, 7132620, 7845882, 13076470, 15691764, 19614705, 26152940, 39229410, 78458820]

約数ペア:

[(1, 78458820), (2, 39229410), (3, 26152940), (4, 19614705), (5, 15691764), (6, 13076470), (10, 7845882), (11, 7132620), (12, 6538235), (15, 5230588), (20, 3922941), (22, 3566310), (30, 2615294), (33, 2377540), (44, 1783155), (55, 1426524), (60, 1307647), (66, 1188770), (101, 776820), (107, 733260), (110, 713262), (121, 648420), (132, 594385), (165, 475508), (202, 388410), (214, 366630), (220, 356631), (242, 324210), (303, 258940), (321, 244420), (330, 237754), (363, 216140), (404, 194205), (428, 183315), (484, 162105), (505, 155364), (535, 146652), (605, 129684), (606, 129470), (642, 122210), (660, 118877), (726, 108070), (1010, 77682), (1070, 73326), (1111, 70620), (1177, 66660), (1210, 64842), (1212, 64735), (1284, 61105), (1452, 54035), (1515, 51788), (1605, 48884), (1815, 43228), (2020, 38841), (2140, 36663), (2222, 35310), (2354, 33330), (2420, 32421), (3030, 25894), (3210, 24442), (3333, 23540), (3531, 22220), (3630, 21614), (4444, 17655), (4708, 16665), (5555, 14124), (5885, 13332), (6060, 12947), (6420, 12221), (6666, 11770), (7062, 11110), (7260, 10807)]