28690980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 83825280

約数和(自身を除く): 55134300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 107, 109, 123, 164, 205, 214, 218, 246, 321, 327, 410, 428, 436, 492, 535, 545, 615, 642, 654, 820, 1070, 1090, 1230, 1284, 1308, 1605, 1635, 2140, 2180, 2460, 3210, 3270, 4387, 4469, 6420, 6540, 8774, 8938, 11663, 13161, 13407, 17548, 17876, 21935, 22345, 23326, 26322, 26814, 34989, 43870, 44690, 46652, 52644, 53628, 58315, 65805, 67035, 69978, 87740, 89380, 116630, 131610, 134070, 139956, 174945, 233260, 263220, 268140, 349890, 478183, 699780, 956366, 1434549, 1912732, 2390915, 2869098, 4781830, 5738196, 7172745, 9563660, 14345490, 28690980]

約数ペア:

[(1, 28690980), (2, 14345490), (3, 9563660), (4, 7172745), (5, 5738196), (6, 4781830), (10, 2869098), (12, 2390915), (15, 1912732), (20, 1434549), (30, 956366), (41, 699780), (60, 478183), (82, 349890), (107, 268140), (109, 263220), (123, 233260), (164, 174945), (205, 139956), (214, 134070), (218, 131610), (246, 116630), (321, 89380), (327, 87740), (410, 69978), (428, 67035), (436, 65805), (492, 58315), (535, 53628), (545, 52644), (615, 46652), (642, 44690), (654, 43870), (820, 34989), (1070, 26814), (1090, 26322), (1230, 23326), (1284, 22345), (1308, 21935), (1605, 17876), (1635, 17548), (2140, 13407), (2180, 13161), (2460, 11663), (3210, 8938), (3270, 8774), (4387, 6540), (4469, 6420)]