1319351630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 2506802688

約数和(自身を除く): 1187451058

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 173, 310, 337, 346, 365, 674, 730, 865, 1685, 1730, 2263, 3370, 4526, 5363, 10447, 10726, 11315, 12629, 20894, 22630, 24601, 25258, 26815, 49202, 52235, 53630, 58301, 63145, 104470, 116602, 123005, 126290, 246010, 291505, 391499, 583010, 762631, 782998, 1525262, 1807331, 1957495, 3614662, 3813155, 3914990, 4255973, 7626310, 8511946, 9036655, 18073310, 21279865, 42559730, 131935163, 263870326, 659675815, 1319351630]

約数ペア:

[(1, 1319351630), (2, 659675815), (5, 263870326), (10, 131935163), (31, 42559730), (62, 21279865), (73, 18073310), (146, 9036655), (155, 8511946), (173, 7626310), (310, 4255973), (337, 3914990), (346, 3813155), (365, 3614662), (674, 1957495), (730, 1807331), (865, 1525262), (1685, 782998), (1730, 762631), (2263, 583010), (3370, 391499), (4526, 291505), (5363, 246010), (10447, 126290), (10726, 123005), (11315, 116602), (12629, 104470), (20894, 63145), (22630, 58301), (24601, 53630), (25258, 52235), (26815, 49202)]