127661840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 335871360

約数和(自身を除く): 208209520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 43, 59, 68, 74, 80, 85, 86, 118, 136, 148, 170, 172, 185, 215, 236, 272, 295, 296, 340, 344, 370, 430, 472, 590, 592, 629, 680, 688, 731, 740, 860, 944, 1003, 1180, 1258, 1360, 1462, 1480, 1591, 1720, 2006, 2183, 2360, 2516, 2537, 2924, 2960, 3145, 3182, 3440, 3655, 4012, 4366, 4720, 5015, 5032, 5074, 5848, 6290, 6364, 7310, 7955, 8024, 8732, 10030, 10064, 10148, 10915, 11696, 12580, 12685, 12728, 14620, 15910, 16048, 17464, 20060, 20296, 21830, 25160, 25370, 25456, 27047, 29240, 31820, 34928, 37111, 40120, 40592, 43129, 43660, 50320, 50740, 54094, 58480, 63640, 74222, 80240, 86258, 87320, 93869, 101480, 108188, 127280, 135235, 148444, 172516, 174640, 185555, 187738, 202960, 215645, 216376, 270470, 296888, 345032, 371110, 375476, 431290, 432752, 469345, 540940, 593776, 690064, 742220, 750952, 862580, 938690, 1081880, 1484440, 1501904, 1595773, 1725160, 1877380, 2163760, 2968880, 3191546, 3450320, 3754760, 6383092, 7509520, 7978865, 12766184, 15957730, 25532368, 31915460, 63830920, 127661840]

約数ペア:

[(1, 127661840), (2, 63830920), (4, 31915460), (5, 25532368), (8, 15957730), (10, 12766184), (16, 7978865), (17, 7509520), (20, 6383092), (34, 3754760), (37, 3450320), (40, 3191546), (43, 2968880), (59, 2163760), (68, 1877380), (74, 1725160), (80, 1595773), (85, 1501904), (86, 1484440), (118, 1081880), (136, 938690), (148, 862580), (170, 750952), (172, 742220), (185, 690064), (215, 593776), (236, 540940), (272, 469345), (295, 432752), (296, 431290), (340, 375476), (344, 371110), (370, 345032), (430, 296888), (472, 270470), (590, 216376), (592, 215645), (629, 202960), (680, 187738), (688, 185555), (731, 174640), (740, 172516), (860, 148444), (944, 135235), (1003, 127280), (1180, 108188), (1258, 101480), (1360, 93869), (1462, 87320), (1480, 86258), (1591, 80240), (1720, 74222), (2006, 63640), (2183, 58480), (2360, 54094), (2516, 50740), (2537, 50320), (2924, 43660), (2960, 43129), (3145, 40592), (3182, 40120), (3440, 37111), (3655, 34928), (4012, 31820), (4366, 29240), (4720, 27047), (5015, 25456), (5032, 25370), (5074, 25160), (5848, 21830), (6290, 20296), (6364, 20060), (7310, 17464), (7955, 16048), (8024, 15910), (8732, 14620), (10030, 12728), (10064, 12685), (10148, 12580), (10915, 11696)]