18321540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 35384700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 73, 89, 94, 141, 146, 178, 188, 219, 235, 267, 282, 292, 356, 365, 438, 445, 470, 534, 564, 705, 730, 876, 890, 940, 1068, 1095, 1335, 1410, 1460, 1780, 2190, 2670, 2820, 3431, 4183, 4380, 5340, 6497, 6862, 8366, 10293, 12549, 12994, 13724, 16732, 17155, 19491, 20586, 20915, 25098, 25988, 32485, 34310, 38982, 41172, 41830, 50196, 51465, 62745, 64970, 68620, 77964, 83660, 97455, 102930, 125490, 129940, 194910, 205860, 250980, 305359, 389820, 610718, 916077, 1221436, 1526795, 1832154, 3053590, 3664308, 4580385, 6107180, 9160770, 18321540]

約数ペア:

[(1, 18321540), (2, 9160770), (3, 6107180), (4, 4580385), (5, 3664308), (6, 3053590), (10, 1832154), (12, 1526795), (15, 1221436), (20, 916077), (30, 610718), (47, 389820), (60, 305359), (73, 250980), (89, 205860), (94, 194910), (141, 129940), (146, 125490), (178, 102930), (188, 97455), (219, 83660), (235, 77964), (267, 68620), (282, 64970), (292, 62745), (356, 51465), (365, 50196), (438, 41830), (445, 41172), (470, 38982), (534, 34310), (564, 32485), (705, 25988), (730, 25098), (876, 20915), (890, 20586), (940, 19491), (1068, 17155), (1095, 16732), (1335, 13724), (1410, 12994), (1460, 12549), (1780, 10293), (2190, 8366), (2670, 6862), (2820, 6497), (3431, 5340), (4183, 4380)]