15309780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 29687340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 61, 89, 94, 122, 141, 178, 183, 188, 235, 244, 267, 282, 305, 356, 366, 445, 470, 534, 564, 610, 705, 732, 890, 915, 940, 1068, 1220, 1335, 1410, 1780, 1830, 2670, 2820, 2867, 3660, 4183, 5340, 5429, 5734, 8366, 8601, 10858, 11468, 12549, 14335, 16287, 16732, 17202, 20915, 21716, 25098, 27145, 28670, 32574, 34404, 41830, 43005, 50196, 54290, 57340, 62745, 65148, 81435, 83660, 86010, 108580, 125490, 162870, 172020, 250980, 255163, 325740, 510326, 765489, 1020652, 1275815, 1530978, 2551630, 3061956, 3827445, 5103260, 7654890, 15309780]

約数ペア:

[(1, 15309780), (2, 7654890), (3, 5103260), (4, 3827445), (5, 3061956), (6, 2551630), (10, 1530978), (12, 1275815), (15, 1020652), (20, 765489), (30, 510326), (47, 325740), (60, 255163), (61, 250980), (89, 172020), (94, 162870), (122, 125490), (141, 108580), (178, 86010), (183, 83660), (188, 81435), (235, 65148), (244, 62745), (267, 57340), (282, 54290), (305, 50196), (356, 43005), (366, 41830), (445, 34404), (470, 32574), (534, 28670), (564, 27145), (610, 25098), (705, 21716), (732, 20915), (890, 17202), (915, 16732), (940, 16287), (1068, 14335), (1220, 12549), (1335, 11468), (1410, 10858), (1780, 8601), (1830, 8366), (2670, 5734), (2820, 5429), (2867, 5340), (3660, 4183)]