123551120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 160

約数和(自身を含む): 370262016

約数和(自身を除く): 246710896

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 647, 682, 770, 868, 880, 1085, 1232, 1240, 1294, 1364, 1540, 1705, 1736, 2170, 2387, 2480, 2588, 2728, 3080, 3235, 3410, 3472, 4340, 4529, 4774, 5176, 5456, 6160, 6470, 6820, 7117, 8680, 9058, 9548, 10352, 11935, 12940, 13640, 14234, 17360, 18116, 19096, 20057, 22645, 23870, 25880, 27280, 28468, 35585, 36232, 38192, 40114, 45290, 47740, 49819, 51760, 56936, 71170, 72464, 80228, 90580, 95480, 99638, 100285, 113872, 140399, 142340, 160456, 181160, 190960, 199276, 200570, 220627, 249095, 280798, 284680, 320912, 362320, 398552, 401140, 441254, 498190, 561596, 569360, 701995, 797104, 802280, 882508, 996380, 1103135, 1123192, 1403990, 1544389, 1604560, 1765016, 1992760, 2206270, 2246384, 2807980, 3088778, 3530032, 3985520, 4412540, 5615960, 6177556, 7721945, 8825080, 11231920, 12355112, 15443890, 17650160, 24710224, 30887780, 61775560, 123551120]

約数ペア:

[(1, 123551120), (2, 61775560), (4, 30887780), (5, 24710224), (7, 17650160), (8, 15443890), (10, 12355112), (11, 11231920), (14, 8825080), (16, 7721945), (20, 6177556), (22, 5615960), (28, 4412540), (31, 3985520), (35, 3530032), (40, 3088778), (44, 2807980), (55, 2246384), (56, 2206270), (62, 1992760), (70, 1765016), (77, 1604560), (80, 1544389), (88, 1403990), (110, 1123192), (112, 1103135), (124, 996380), (140, 882508), (154, 802280), (155, 797104), (176, 701995), (217, 569360), (220, 561596), (248, 498190), (280, 441254), (308, 401140), (310, 398552), (341, 362320), (385, 320912), (434, 284680), (440, 280798), (496, 249095), (560, 220627), (616, 200570), (620, 199276), (647, 190960), (682, 181160), (770, 160456), (868, 142340), (880, 140399), (1085, 113872), (1232, 100285), (1240, 99638), (1294, 95480), (1364, 90580), (1540, 80228), (1705, 72464), (1736, 71170), (2170, 56936), (2387, 51760), (2480, 49819), (2588, 47740), (2728, 45290), (3080, 40114), (3235, 38192), (3410, 36232), (3472, 35585), (4340, 28468), (4529, 27280), (4774, 25880), (5176, 23870), (5456, 22645), (6160, 20057), (6470, 19096), (6820, 18116), (7117, 17360), (8680, 14234), (9058, 13640), (9548, 12940), (10352, 11935)]