245177520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7681}}^1$

素因数の和:7723

約数の個数: 160

約数和(自身を含む): 914465280

約数和(自身を除く): 669287760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7681, 7980, 10640, 15362, 15960, 23043, 30724, 31920, 38405, 46086, 53767, 61448, 76810, 92172, 107534, 115215, 122896, 145939, 153620, 161301, 184344, 215068, 230430, 268835, 291878, 307240, 322602, 368688, 430136, 437817, 460860, 537670, 583756, 614480, 645204, 729695, 806505, 860272, 875634, 921720, 1021573, 1075340, 1167512, 1290408, 1459390, 1613010, 1751268, 1843440, 2043146, 2150680, 2189085, 2335024, 2580816, 2918780, 3064719, 3226020, 3502536, 4086292, 4301360, 4378170, 5107865, 5837560, 6129438, 6452040, 7005072, 8172584, 8756340, 10215730, 11675120, 12258876, 12904080, 15323595, 16345168, 17512680, 20431460, 24517752, 30647190, 35025360, 40862920, 49035504, 61294380, 81725840, 122588760, 245177520]

約数ペア:

[(1, 245177520), (2, 122588760), (3, 81725840), (4, 61294380), (5, 49035504), (6, 40862920), (7, 35025360), (8, 30647190), (10, 24517752), (12, 20431460), (14, 17512680), (15, 16345168), (16, 15323595), (19, 12904080), (20, 12258876), (21, 11675120), (24, 10215730), (28, 8756340), (30, 8172584), (35, 7005072), (38, 6452040), (40, 6129438), (42, 5837560), (48, 5107865), (56, 4378170), (57, 4301360), (60, 4086292), (70, 3502536), (76, 3226020), (80, 3064719), (84, 2918780), (95, 2580816), (105, 2335024), (112, 2189085), (114, 2150680), (120, 2043146), (133, 1843440), (140, 1751268), (152, 1613010), (168, 1459390), (190, 1290408), (210, 1167512), (228, 1075340), (240, 1021573), (266, 921720), (280, 875634), (285, 860272), (304, 806505), (336, 729695), (380, 645204), (399, 614480), (420, 583756), (456, 537670), (532, 460860), (560, 437817), (570, 430136), (665, 368688), (760, 322602), (798, 307240), (840, 291878), (912, 268835), (1064, 230430), (1140, 215068), (1330, 184344), (1520, 161301), (1596, 153620), (1680, 145939), (1995, 122896), (2128, 115215), (2280, 107534), (2660, 92172), (3192, 76810), (3990, 61448), (4560, 53767), (5320, 46086), (6384, 38405), (7681, 31920), (7980, 30724), (10640, 23043), (15362, 15960)]