252339920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 697455360

約数和(自身を除く): 445115440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 83, 89, 112, 122, 140, 166, 178, 244, 280, 305, 332, 356, 415, 427, 445, 488, 560, 581, 610, 623, 664, 712, 830, 854, 890, 976, 1162, 1220, 1246, 1328, 1424, 1660, 1708, 1780, 2135, 2324, 2440, 2492, 2905, 3115, 3320, 3416, 3560, 4270, 4648, 4880, 4984, 5063, 5429, 5810, 6230, 6640, 6832, 7120, 7387, 8540, 9296, 9968, 10126, 10858, 11620, 12460, 14774, 17080, 20252, 21716, 23240, 24920, 25315, 27145, 29548, 34160, 35441, 36935, 38003, 40504, 43432, 46480, 49840, 50630, 51709, 54290, 59096, 70882, 73870, 76006, 81008, 86864, 101260, 103418, 108580, 118192, 141764, 147740, 152012, 177205, 190015, 202520, 206836, 217160, 258545, 283528, 295480, 304024, 354410, 380030, 405040, 413672, 434320, 450607, 517090, 567056, 590960, 608048, 708820, 760060, 827344, 901214, 1034180, 1417640, 1520120, 1802428, 2068360, 2253035, 2835280, 3040240, 3154249, 3604856, 4136720, 4506070, 6308498, 7209712, 9012140, 12616996, 15771245, 18024280, 25233992, 31542490, 36048560, 50467984, 63084980, 126169960, 252339920]

約数ペア:

[(1, 252339920), (2, 126169960), (4, 63084980), (5, 50467984), (7, 36048560), (8, 31542490), (10, 25233992), (14, 18024280), (16, 15771245), (20, 12616996), (28, 9012140), (35, 7209712), (40, 6308498), (56, 4506070), (61, 4136720), (70, 3604856), (80, 3154249), (83, 3040240), (89, 2835280), (112, 2253035), (122, 2068360), (140, 1802428), (166, 1520120), (178, 1417640), (244, 1034180), (280, 901214), (305, 827344), (332, 760060), (356, 708820), (415, 608048), (427, 590960), (445, 567056), (488, 517090), (560, 450607), (581, 434320), (610, 413672), (623, 405040), (664, 380030), (712, 354410), (830, 304024), (854, 295480), (890, 283528), (976, 258545), (1162, 217160), (1220, 206836), (1246, 202520), (1328, 190015), (1424, 177205), (1660, 152012), (1708, 147740), (1780, 141764), (2135, 118192), (2324, 108580), (2440, 103418), (2492, 101260), (2905, 86864), (3115, 81008), (3320, 76006), (3416, 73870), (3560, 70882), (4270, 59096), (4648, 54290), (4880, 51709), (4984, 50630), (5063, 49840), (5429, 46480), (5810, 43432), (6230, 40504), (6640, 38003), (6832, 36935), (7120, 35441), (7387, 34160), (8540, 29548), (9296, 27145), (9968, 25315), (10126, 24920), (10858, 23240), (11620, 21716), (12460, 20252), (14774, 17080)]