78221520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 289637712

約数和(自身を除く): 211416192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 61, 65, 72, 78, 80, 90, 104, 117, 120, 122, 130, 137, 144, 156, 180, 183, 195, 208, 234, 240, 244, 260, 274, 305, 312, 360, 366, 390, 411, 468, 488, 520, 548, 549, 585, 610, 624, 685, 720, 732, 780, 793, 822, 915, 936, 976, 1040, 1096, 1098, 1170, 1220, 1233, 1370, 1464, 1560, 1586, 1644, 1781, 1830, 1872, 2055, 2192, 2196, 2340, 2379, 2440, 2466, 2740, 2745, 2928, 3120, 3172, 3288, 3562, 3660, 3965, 4110, 4392, 4680, 4758, 4880, 4932, 5343, 5480, 5490, 6165, 6344, 6576, 7124, 7137, 7320, 7930, 8220, 8357, 8784, 8905, 9360, 9516, 9864, 10686, 10960, 10980, 11895, 12330, 12688, 14248, 14274, 14640, 15860, 16029, 16440, 16714, 17810, 19032, 19728, 21372, 21960, 23790, 24660, 25071, 26715, 28496, 28548, 31720, 32058, 32880, 33428, 35620, 35685, 38064, 41785, 42744, 43920, 47580, 49320, 50142, 53430, 57096, 63440, 64116, 66856, 71240, 71370, 75213, 80145, 83570, 85488, 95160, 98640, 100284, 106860, 108641, 114192, 125355, 128232, 133712, 142480, 142740, 150426, 160290, 167140, 190320, 200568, 213720, 217282, 250710, 256464, 285480, 300852, 320580, 325923, 334280, 376065, 401136, 427440, 434564, 501420, 543205, 570960, 601704, 641160, 651846, 668560, 752130, 869128, 977769, 1002840, 1086410, 1203408, 1282320, 1303692, 1504260, 1629615, 1738256, 1955538, 2005680, 2172820, 2607384, 3008520, 3259230, 3911076, 4345640, 4888845, 5214768, 6017040, 6518460, 7822152, 8691280, 9777690, 13036920, 15644304, 19555380, 26073840, 39110760, 78221520]

約数ペア:

[(1, 78221520), (2, 39110760), (3, 26073840), (4, 19555380), (5, 15644304), (6, 13036920), (8, 9777690), (9, 8691280), (10, 7822152), (12, 6518460), (13, 6017040), (15, 5214768), (16, 4888845), (18, 4345640), (20, 3911076), (24, 3259230), (26, 3008520), (30, 2607384), (36, 2172820), (39, 2005680), (40, 1955538), (45, 1738256), (48, 1629615), (52, 1504260), (60, 1303692), (61, 1282320), (65, 1203408), (72, 1086410), (78, 1002840), (80, 977769), (90, 869128), (104, 752130), (117, 668560), (120, 651846), (122, 641160), (130, 601704), (137, 570960), (144, 543205), (156, 501420), (180, 434564), (183, 427440), (195, 401136), (208, 376065), (234, 334280), (240, 325923), (244, 320580), (260, 300852), (274, 285480), (305, 256464), (312, 250710), (360, 217282), (366, 213720), (390, 200568), (411, 190320), (468, 167140), (488, 160290), (520, 150426), (548, 142740), (549, 142480), (585, 133712), (610, 128232), (624, 125355), (685, 114192), (720, 108641), (732, 106860), (780, 100284), (793, 98640), (822, 95160), (915, 85488), (936, 83570), (976, 80145), (1040, 75213), (1096, 71370), (1098, 71240), (1170, 66856), (1220, 64116), (1233, 63440), (1370, 57096), (1464, 53430), (1560, 50142), (1586, 49320), (1644, 47580), (1781, 43920), (1830, 42744), (1872, 41785), (2055, 38064), (2192, 35685), (2196, 35620), (2340, 33428), (2379, 32880), (2440, 32058), (2466, 31720), (2740, 28548), (2745, 28496), (2928, 26715), (3120, 25071), (3172, 24660), (3288, 23790), (3562, 21960), (3660, 21372), (3965, 19728), (4110, 19032), (4392, 17810), (4680, 16714), (4758, 16440), (4880, 16029), (4932, 15860), (5343, 14640), (5480, 14274), (5490, 14248), (6165, 12688), (6344, 12330), (6576, 11895), (7124, 10980), (7137, 10960), (7320, 10686), (7930, 9864), (8220, 9516), (8357, 9360), (8784, 8905)]