2386980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 7371000

約数和(自身を除く): 4984020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 149, 178, 180, 267, 298, 356, 445, 447, 534, 596, 745, 801, 890, 894, 1068, 1335, 1341, 1490, 1602, 1780, 1788, 2235, 2670, 2682, 2980, 3204, 4005, 4470, 5340, 5364, 6705, 8010, 8940, 13261, 13410, 16020, 26522, 26820, 39783, 53044, 66305, 79566, 119349, 132610, 159132, 198915, 238698, 265220, 397830, 477396, 596745, 795660, 1193490, 2386980]

約数ペア:

[(1, 2386980), (2, 1193490), (3, 795660), (4, 596745), (5, 477396), (6, 397830), (9, 265220), (10, 238698), (12, 198915), (15, 159132), (18, 132610), (20, 119349), (30, 79566), (36, 66305), (45, 53044), (60, 39783), (89, 26820), (90, 26522), (149, 16020), (178, 13410), (180, 13261), (267, 8940), (298, 8010), (356, 6705), (445, 5364), (447, 5340), (534, 4470), (596, 4005), (745, 3204), (801, 2980), (890, 2682), (894, 2670), (1068, 2235), (1335, 1788), (1341, 1780), (1490, 1602)]