321822160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 863944704

約数和(自身を除く): 542122544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 47, 55, 62, 80, 88, 94, 110, 124, 155, 176, 188, 220, 235, 248, 251, 310, 341, 376, 440, 470, 496, 502, 517, 620, 682, 752, 880, 940, 1004, 1034, 1240, 1255, 1364, 1457, 1705, 1880, 2008, 2068, 2480, 2510, 2585, 2728, 2761, 2914, 3410, 3760, 4016, 4136, 5020, 5170, 5456, 5522, 5828, 6820, 7285, 7781, 8272, 10040, 10340, 11044, 11656, 11797, 13640, 13805, 14570, 15562, 16027, 20080, 20680, 22088, 23312, 23594, 27280, 27610, 29140, 31124, 32054, 38905, 41360, 44176, 47188, 55220, 58280, 58985, 62248, 64108, 77810, 80135, 85591, 94376, 110440, 116560, 117970, 124496, 128216, 129767, 155620, 160270, 171182, 188752, 220880, 235940, 256432, 259534, 311240, 320540, 342364, 365707, 427955, 471880, 519068, 622480, 641080, 648835, 684728, 731414, 855910, 943760, 1038136, 1282160, 1297670, 1369456, 1462828, 1711820, 1828535, 2076272, 2595340, 2925656, 3423640, 3657070, 4022777, 5190680, 5851312, 6847280, 7314140, 8045554, 10381360, 14628280, 16091108, 20113885, 29256560, 32182216, 40227770, 64364432, 80455540, 160911080, 321822160]

約数ペア:

[(1, 321822160), (2, 160911080), (4, 80455540), (5, 64364432), (8, 40227770), (10, 32182216), (11, 29256560), (16, 20113885), (20, 16091108), (22, 14628280), (31, 10381360), (40, 8045554), (44, 7314140), (47, 6847280), (55, 5851312), (62, 5190680), (80, 4022777), (88, 3657070), (94, 3423640), (110, 2925656), (124, 2595340), (155, 2076272), (176, 1828535), (188, 1711820), (220, 1462828), (235, 1369456), (248, 1297670), (251, 1282160), (310, 1038136), (341, 943760), (376, 855910), (440, 731414), (470, 684728), (496, 648835), (502, 641080), (517, 622480), (620, 519068), (682, 471880), (752, 427955), (880, 365707), (940, 342364), (1004, 320540), (1034, 311240), (1240, 259534), (1255, 256432), (1364, 235940), (1457, 220880), (1705, 188752), (1880, 171182), (2008, 160270), (2068, 155620), (2480, 129767), (2510, 128216), (2585, 124496), (2728, 117970), (2761, 116560), (2914, 110440), (3410, 94376), (3760, 85591), (4016, 80135), (4136, 77810), (5020, 64108), (5170, 62248), (5456, 58985), (5522, 58280), (5828, 55220), (6820, 47188), (7285, 44176), (7781, 41360), (8272, 38905), (10040, 32054), (10340, 31124), (11044, 29140), (11656, 27610), (11797, 27280), (13640, 23594), (13805, 23312), (14570, 22088), (15562, 20680), (16027, 20080)]