628137720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4373}}^1$

素因数の和:4419

約数の個数: 256

約数和(自身を含む): 2519424000

約数和(自身を除く): 1891286280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4373, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 8746, 9576, 10260, 11970, 13119, 14364, 15960, 17492, 17955, 20520, 21865, 23940, 26238, 28728, 30611, 34984, 35910, 39357, 43730, 47880, 52476, 61222, 65595, 71820, 78714, 83087, 87460, 91833, 104952, 118071, 122444, 131190, 143640, 153055, 157428, 166174, 174920, 183666, 196785, 236142, 244888, 249261, 262380, 275499, 306110, 314856, 332348, 367332, 393570, 415435, 459165, 472284, 498522, 524760, 550998, 581609, 590355, 612220, 664696, 734664, 747783, 787140, 826497, 830870, 918330, 944568, 997044, 1101996, 1163218, 1180710, 1224440, 1246305, 1377495, 1495566, 1574280, 1652994, 1661740, 1744827, 1836660, 1994088, 2203992, 2243349, 2326436, 2361420, 2492610, 2754990, 2908045, 2991132, 3305988, 3323480, 3489654, 3673320, 3738915, 4132485, 4486698, 4652872, 4722840, 4985220, 5234481, 5509980, 5816090, 5982264, 6611976, 6979308, 7477830, 8264970, 8724135, 8973396, 9970440, 10468962, 11019960, 11216745, 11632180, 13958616, 14955660, 15703443, 16529940, 17448270, 17946792, 20937924, 22433490, 23264360, 26172405, 29911320, 31406886, 33059880, 34896540, 41875848, 44866980, 52344810, 62813772, 69793080, 78517215, 89733960, 104689620, 125627544, 157034430, 209379240, 314068860, 628137720]

約数ペア:

[(1, 628137720), (2, 314068860), (3, 209379240), (4, 157034430), (5, 125627544), (6, 104689620), (7, 89733960), (8, 78517215), (9, 69793080), (10, 62813772), (12, 52344810), (14, 44866980), (15, 41875848), (18, 34896540), (19, 33059880), (20, 31406886), (21, 29911320), (24, 26172405), (27, 23264360), (28, 22433490), (30, 20937924), (35, 17946792), (36, 17448270), (38, 16529940), (40, 15703443), (42, 14955660), (45, 13958616), (54, 11632180), (56, 11216745), (57, 11019960), (60, 10468962), (63, 9970440), (70, 8973396), (72, 8724135), (76, 8264970), (84, 7477830), (90, 6979308), (95, 6611976), (105, 5982264), (108, 5816090), (114, 5509980), (120, 5234481), (126, 4985220), (133, 4722840), (135, 4652872), (140, 4486698), (152, 4132485), (168, 3738915), (171, 3673320), (180, 3489654), (189, 3323480), (190, 3305988), (210, 2991132), (216, 2908045), (228, 2754990), (252, 2492610), (266, 2361420), (270, 2326436), (280, 2243349), (285, 2203992), (315, 1994088), (342, 1836660), (360, 1744827), (378, 1661740), (380, 1652994), (399, 1574280), (420, 1495566), (456, 1377495), (504, 1246305), (513, 1224440), (532, 1180710), (540, 1163218), (570, 1101996), (630, 997044), (665, 944568), (684, 918330), (756, 830870), (760, 826497), (798, 787140), (840, 747783), (855, 734664), (945, 664696), (1026, 612220), (1064, 590355), (1080, 581609), (1140, 550998), (1197, 524760), (1260, 498522), (1330, 472284), (1368, 459165), (1512, 415435), (1596, 393570), (1710, 367332), (1890, 332348), (1995, 314856), (2052, 306110), (2280, 275499), (2394, 262380), (2520, 249261), (2565, 244888), (2660, 236142), (3192, 196785), (3420, 183666), (3591, 174920), (3780, 166174), (3990, 157428), (4104, 153055), (4373, 143640), (4788, 131190), (5130, 122444), (5320, 118071), (5985, 104952), (6840, 91833), (7182, 87460), (7560, 83087), (7980, 78714), (8746, 71820), (9576, 65595), (10260, 61222), (11970, 52476), (13119, 47880), (14364, 43730), (15960, 39357), (17492, 35910), (17955, 34984), (20520, 30611), (21865, 28728), (23940, 26238)]