78791440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 229985280

約数和(自身を除く): 151193840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 137, 140, 158, 182, 208, 260, 274, 280, 316, 364, 395, 455, 520, 548, 553, 560, 632, 685, 728, 790, 910, 959, 1027, 1040, 1096, 1106, 1264, 1370, 1456, 1580, 1781, 1820, 1918, 2054, 2192, 2212, 2740, 2765, 3160, 3562, 3640, 3836, 4108, 4424, 4795, 5135, 5480, 5530, 6320, 7124, 7189, 7280, 7672, 8216, 8848, 8905, 9590, 10270, 10823, 10960, 11060, 12467, 14248, 14378, 15344, 16432, 17810, 19180, 20540, 21646, 22120, 24934, 28496, 28756, 35620, 35945, 38360, 41080, 43292, 44240, 49868, 54115, 57512, 62335, 71240, 71890, 75761, 76720, 82160, 86584, 99736, 108230, 115024, 124670, 140699, 142480, 143780, 151522, 173168, 199472, 216460, 249340, 281398, 287560, 303044, 378805, 432920, 498680, 562796, 575120, 606088, 703495, 757610, 865840, 984893, 997360, 1125592, 1212176, 1406990, 1515220, 1969786, 2251184, 2813980, 3030440, 3939572, 4924465, 5627960, 6060880, 7879144, 9848930, 11255920, 15758288, 19697860, 39395720, 78791440]

約数ペア:

[(1, 78791440), (2, 39395720), (4, 19697860), (5, 15758288), (7, 11255920), (8, 9848930), (10, 7879144), (13, 6060880), (14, 5627960), (16, 4924465), (20, 3939572), (26, 3030440), (28, 2813980), (35, 2251184), (40, 1969786), (52, 1515220), (56, 1406990), (65, 1212176), (70, 1125592), (79, 997360), (80, 984893), (91, 865840), (104, 757610), (112, 703495), (130, 606088), (137, 575120), (140, 562796), (158, 498680), (182, 432920), (208, 378805), (260, 303044), (274, 287560), (280, 281398), (316, 249340), (364, 216460), (395, 199472), (455, 173168), (520, 151522), (548, 143780), (553, 142480), (560, 140699), (632, 124670), (685, 115024), (728, 108230), (790, 99736), (910, 86584), (959, 82160), (1027, 76720), (1040, 75761), (1096, 71890), (1106, 71240), (1264, 62335), (1370, 57512), (1456, 54115), (1580, 49868), (1781, 44240), (1820, 43292), (1918, 41080), (2054, 38360), (2192, 35945), (2212, 35620), (2740, 28756), (2765, 28496), (3160, 24934), (3562, 22120), (3640, 21646), (3836, 20540), (4108, 19180), (4424, 17810), (4795, 16432), (5135, 15344), (5480, 14378), (5530, 14248), (6320, 12467), (7124, 11060), (7189, 10960), (7280, 10823), (7672, 10270), (8216, 9590), (8848, 8905)]