64240440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1253

約数の個数: 128

約数和(自身を含む): 215550720

約数和(自身を除く): 151310280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 615, 660, 820, 902, 984, 1187, 1230, 1320, 1353, 1640, 1804, 2255, 2374, 2460, 2706, 3561, 3608, 4510, 4748, 4920, 5412, 5935, 6765, 7122, 9020, 9496, 10824, 11870, 13057, 13530, 14244, 17805, 18040, 23740, 26114, 27060, 28488, 35610, 39171, 47480, 48667, 52228, 54120, 65285, 71220, 78342, 97334, 104456, 130570, 142440, 146001, 156684, 194668, 195855, 243335, 261140, 292002, 313368, 389336, 391710, 486670, 522280, 535337, 584004, 730005, 783420, 973340, 1070674, 1168008, 1460010, 1566840, 1606011, 1946680, 2141348, 2676685, 2920020, 3212022, 4282696, 5353370, 5840040, 6424044, 8030055, 10706740, 12848088, 16060110, 21413480, 32120220, 64240440]

約数ペア:

[(1, 64240440), (2, 32120220), (3, 21413480), (4, 16060110), (5, 12848088), (6, 10706740), (8, 8030055), (10, 6424044), (11, 5840040), (12, 5353370), (15, 4282696), (20, 3212022), (22, 2920020), (24, 2676685), (30, 2141348), (33, 1946680), (40, 1606011), (41, 1566840), (44, 1460010), (55, 1168008), (60, 1070674), (66, 973340), (82, 783420), (88, 730005), (110, 584004), (120, 535337), (123, 522280), (132, 486670), (164, 391710), (165, 389336), (205, 313368), (220, 292002), (246, 261140), (264, 243335), (328, 195855), (330, 194668), (410, 156684), (440, 146001), (451, 142440), (492, 130570), (615, 104456), (660, 97334), (820, 78342), (902, 71220), (984, 65285), (1187, 54120), (1230, 52228), (1320, 48667), (1353, 47480), (1640, 39171), (1804, 35610), (2255, 28488), (2374, 27060), (2460, 26114), (2706, 23740), (3561, 18040), (3608, 17805), (4510, 14244), (4748, 13530), (4920, 13057), (5412, 11870), (5935, 10824), (6765, 9496), (7122, 9020)]