161073640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 256

約数和(自身を含む): 500774400

約数和(自身を除く): 339700760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 40, 52, 56, 65, 68, 70, 76, 85, 91, 95, 104, 119, 130, 133, 136, 137, 140, 152, 170, 182, 190, 221, 238, 247, 260, 266, 274, 280, 323, 340, 364, 380, 442, 455, 476, 494, 520, 532, 548, 595, 646, 665, 680, 685, 728, 760, 884, 910, 952, 959, 988, 1064, 1096, 1105, 1190, 1235, 1292, 1330, 1370, 1547, 1615, 1729, 1768, 1781, 1820, 1918, 1976, 2210, 2261, 2329, 2380, 2470, 2584, 2603, 2660, 2740, 3094, 3230, 3458, 3562, 3640, 3836, 4199, 4420, 4522, 4658, 4760, 4795, 4940, 5206, 5320, 5480, 6188, 6460, 6916, 7124, 7672, 7735, 8398, 8645, 8840, 8905, 9044, 9316, 9590, 9880, 10412, 11305, 11645, 12376, 12467, 12920, 13015, 13832, 14248, 15470, 16303, 16796, 17290, 17810, 18088, 18221, 18632, 19180, 20824, 20995, 22610, 23290, 24934, 26030, 29393, 30277, 30940, 32606, 33592, 33839, 34580, 35620, 36442, 38360, 41990, 44251, 45220, 46580, 49868, 52060, 58786, 60554, 61880, 62335, 65212, 67678, 69160, 71240, 72884, 81515, 83980, 88502, 90440, 91105, 93160, 99736, 104120, 117572, 121108, 124670, 130424, 135356, 145768, 146965, 151385, 163030, 167960, 169195, 177004, 182210, 211939, 221255, 235144, 236873, 242216, 249340, 270712, 293930, 302770, 309757, 326060, 338390, 354008, 364420, 423878, 442510, 473746, 498680, 575263, 587860, 605540, 619514, 652120, 676780, 728840, 847756, 885020, 947492, 1059695, 1150526, 1175720, 1184365, 1211080, 1239028, 1353560, 1548785, 1695512, 1770040, 1894984, 2119390, 2301052, 2368730, 2478056, 2876315, 3097570, 4026841, 4238780, 4602104, 4737460, 5752630, 6195140, 8053682, 8477560, 9474920, 11505260, 12390280, 16107364, 20134205, 23010520, 32214728, 40268410, 80536820, 161073640]

約数ペア:

[(1, 161073640), (2, 80536820), (4, 40268410), (5, 32214728), (7, 23010520), (8, 20134205), (10, 16107364), (13, 12390280), (14, 11505260), (17, 9474920), (19, 8477560), (20, 8053682), (26, 6195140), (28, 5752630), (34, 4737460), (35, 4602104), (38, 4238780), (40, 4026841), (52, 3097570), (56, 2876315), (65, 2478056), (68, 2368730), (70, 2301052), (76, 2119390), (85, 1894984), (91, 1770040), (95, 1695512), (104, 1548785), (119, 1353560), (130, 1239028), (133, 1211080), (136, 1184365), (137, 1175720), (140, 1150526), (152, 1059695), (170, 947492), (182, 885020), (190, 847756), (221, 728840), (238, 676780), (247, 652120), (260, 619514), (266, 605540), (274, 587860), (280, 575263), (323, 498680), (340, 473746), (364, 442510), (380, 423878), (442, 364420), (455, 354008), (476, 338390), (494, 326060), (520, 309757), (532, 302770), (548, 293930), (595, 270712), (646, 249340), (665, 242216), (680, 236873), (685, 235144), (728, 221255), (760, 211939), (884, 182210), (910, 177004), (952, 169195), (959, 167960), (988, 163030), (1064, 151385), (1096, 146965), (1105, 145768), (1190, 135356), (1235, 130424), (1292, 124670), (1330, 121108), (1370, 117572), (1547, 104120), (1615, 99736), (1729, 93160), (1768, 91105), (1781, 90440), (1820, 88502), (1918, 83980), (1976, 81515), (2210, 72884), (2261, 71240), (2329, 69160), (2380, 67678), (2470, 65212), (2584, 62335), (2603, 61880), (2660, 60554), (2740, 58786), (3094, 52060), (3230, 49868), (3458, 46580), (3562, 45220), (3640, 44251), (3836, 41990), (4199, 38360), (4420, 36442), (4522, 35620), (4658, 34580), (4760, 33839), (4795, 33592), (4940, 32606), (5206, 30940), (5320, 30277), (5480, 29393), (6188, 26030), (6460, 24934), (6916, 23290), (7124, 22610), (7672, 20995), (7735, 20824), (8398, 19180), (8645, 18632), (8840, 18221), (8905, 18088), (9044, 17810), (9316, 17290), (9590, 16796), (9880, 16303), (10412, 15470), (11305, 14248), (11645, 13832), (12376, 13015), (12467, 12920)]