80363920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 249359040

約数和(自身を除く): 168995120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 76, 80, 83, 91, 95, 98, 104, 112, 130, 133, 140, 152, 166, 182, 190, 196, 208, 245, 247, 260, 266, 280, 304, 332, 364, 380, 392, 415, 455, 490, 494, 520, 532, 560, 581, 637, 664, 665, 728, 760, 784, 830, 910, 931, 980, 988, 1040, 1064, 1079, 1162, 1235, 1274, 1328, 1330, 1456, 1520, 1577, 1660, 1729, 1820, 1862, 1960, 1976, 2128, 2158, 2324, 2470, 2548, 2660, 2905, 3154, 3185, 3320, 3458, 3640, 3724, 3920, 3952, 4067, 4316, 4648, 4655, 4940, 5096, 5320, 5395, 5810, 6308, 6370, 6640, 6916, 7280, 7448, 7553, 7885, 8134, 8632, 8645, 9296, 9310, 9880, 10192, 10640, 10790, 11039, 11620, 12103, 12616, 12740, 13832, 14896, 15106, 15770, 16268, 17264, 17290, 18620, 19760, 20335, 20501, 21580, 22078, 23240, 24206, 25232, 25480, 27664, 30212, 31540, 32536, 34580, 37240, 37765, 40670, 41002, 43160, 44156, 46480, 48412, 50960, 52871, 55195, 60424, 60515, 63080, 65072, 69160, 74480, 75530, 77273, 81340, 82004, 86320, 88312, 96824, 102505, 105742, 110390, 120848, 121030, 126160, 138320, 143507, 151060, 154546, 162680, 164008, 176624, 193648, 205010, 211484, 220780, 242060, 264355, 287014, 302120, 309092, 325360, 328016, 386365, 410020, 422968, 441560, 484120, 528710, 574028, 604240, 618184, 717535, 772730, 820040, 845936, 883120, 968240, 1004549, 1057420, 1148056, 1236368, 1435070, 1545460, 1640080, 2009098, 2114840, 2296112, 2870140, 3090920, 4018196, 4229680, 5022745, 5740280, 6181840, 8036392, 10045490, 11480560, 16072784, 20090980, 40181960, 80363920]

約数ペア:

[(1, 80363920), (2, 40181960), (4, 20090980), (5, 16072784), (7, 11480560), (8, 10045490), (10, 8036392), (13, 6181840), (14, 5740280), (16, 5022745), (19, 4229680), (20, 4018196), (26, 3090920), (28, 2870140), (35, 2296112), (38, 2114840), (40, 2009098), (49, 1640080), (52, 1545460), (56, 1435070), (65, 1236368), (70, 1148056), (76, 1057420), (80, 1004549), (83, 968240), (91, 883120), (95, 845936), (98, 820040), (104, 772730), (112, 717535), (130, 618184), (133, 604240), (140, 574028), (152, 528710), (166, 484120), (182, 441560), (190, 422968), (196, 410020), (208, 386365), (245, 328016), (247, 325360), (260, 309092), (266, 302120), (280, 287014), (304, 264355), (332, 242060), (364, 220780), (380, 211484), (392, 205010), (415, 193648), (455, 176624), (490, 164008), (494, 162680), (520, 154546), (532, 151060), (560, 143507), (581, 138320), (637, 126160), (664, 121030), (665, 120848), (728, 110390), (760, 105742), (784, 102505), (830, 96824), (910, 88312), (931, 86320), (980, 82004), (988, 81340), (1040, 77273), (1064, 75530), (1079, 74480), (1162, 69160), (1235, 65072), (1274, 63080), (1328, 60515), (1330, 60424), (1456, 55195), (1520, 52871), (1577, 50960), (1660, 48412), (1729, 46480), (1820, 44156), (1862, 43160), (1960, 41002), (1976, 40670), (2128, 37765), (2158, 37240), (2324, 34580), (2470, 32536), (2548, 31540), (2660, 30212), (2905, 27664), (3154, 25480), (3185, 25232), (3320, 24206), (3458, 23240), (3640, 22078), (3724, 21580), (3920, 20501), (3952, 20335), (4067, 19760), (4316, 18620), (4648, 17290), (4655, 17264), (4940, 16268), (5096, 15770), (5320, 15106), (5395, 14896), (5810, 13832), (6308, 12740), (6370, 12616), (6640, 12103), (6916, 11620), (7280, 11039), (7448, 10790), (7553, 10640), (7885, 10192), (8134, 9880), (8632, 9310), (8645, 9296)]