64121940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2269}}^1$

素因数の和:2441

約数の個数: 72

約数和(自身を含む): 195828360

約数和(自身を除く): 131706420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2269, 2355, 2826, 3140, 4538, 4710, 5652, 6807, 7065, 9076, 9420, 11345, 13614, 14130, 20421, 22690, 27228, 28260, 34035, 40842, 45380, 68070, 81684, 102105, 136140, 204210, 356233, 408420, 712466, 1068699, 1424932, 1781165, 2137398, 3206097, 3562330, 4274796, 5343495, 6412194, 7124660, 10686990, 12824388, 16030485, 21373980, 32060970, 64121940]

約数ペア:

[(1, 64121940), (2, 32060970), (3, 21373980), (4, 16030485), (5, 12824388), (6, 10686990), (9, 7124660), (10, 6412194), (12, 5343495), (15, 4274796), (18, 3562330), (20, 3206097), (30, 2137398), (36, 1781165), (45, 1424932), (60, 1068699), (90, 712466), (157, 408420), (180, 356233), (314, 204210), (471, 136140), (628, 102105), (785, 81684), (942, 68070), (1413, 45380), (1570, 40842), (1884, 34035), (2269, 28260), (2355, 27228), (2826, 22690), (3140, 20421), (4538, 14130), (4710, 13614), (5652, 11345), (6807, 9420), (7065, 9076)]