397344240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 1385223840

約数和(自身を除く): 987879600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 83, 90, 109, 120, 122, 144, 166, 180, 183, 218, 240, 244, 249, 305, 327, 332, 360, 366, 415, 436, 488, 498, 545, 549, 610, 654, 664, 720, 732, 747, 830, 872, 915, 976, 981, 996, 1090, 1098, 1220, 1245, 1308, 1328, 1464, 1494, 1635, 1660, 1744, 1830, 1962, 1992, 2180, 2196, 2440, 2490, 2616, 2745, 2928, 2988, 3270, 3320, 3660, 3735, 3924, 3984, 4360, 4392, 4880, 4905, 4980, 5063, 5232, 5490, 5976, 6540, 6640, 6649, 7320, 7470, 7848, 8720, 8784, 9047, 9810, 9960, 10126, 10980, 11952, 13080, 13298, 14640, 14940, 15189, 15696, 18094, 19620, 19920, 19947, 20252, 21960, 25315, 26160, 26596, 27141, 29880, 30378, 33245, 36188, 39240, 39894, 40504, 43920, 45235, 45567, 50630, 53192, 54282, 59760, 59841, 60756, 66490, 72376, 75945, 78480, 79788, 81008, 81423, 90470, 91134, 99735, 101260, 106384, 108564, 119682, 121512, 132980, 135705, 144752, 151890, 159576, 162846, 180940, 182268, 199470, 202520, 217128, 227835, 239364, 243024, 265960, 271410, 299205, 303780, 319152, 325692, 361880, 364536, 398940, 405040, 407115, 434256, 455670, 478728, 531920, 542820, 551867, 598410, 607560, 651384, 723760, 729072, 797880, 814230, 911340, 957456, 1085640, 1103734, 1196820, 1215120, 1302768, 1595760, 1628460, 1655601, 1822680, 2171280, 2207468, 2393640, 2759335, 3256920, 3311202, 3645360, 4414936, 4787280, 4966803, 5518670, 6513840, 6622404, 8278005, 8829872, 9933606, 11037340, 13244808, 16556010, 19867212, 22074680, 24834015, 26489616, 33112020, 39734424, 44149360, 49668030, 66224040, 79468848, 99336060, 132448080, 198672120, 397344240]

約数ペア:

[(1, 397344240), (2, 198672120), (3, 132448080), (4, 99336060), (5, 79468848), (6, 66224040), (8, 49668030), (9, 44149360), (10, 39734424), (12, 33112020), (15, 26489616), (16, 24834015), (18, 22074680), (20, 19867212), (24, 16556010), (30, 13244808), (36, 11037340), (40, 9933606), (45, 8829872), (48, 8278005), (60, 6622404), (61, 6513840), (72, 5518670), (80, 4966803), (83, 4787280), (90, 4414936), (109, 3645360), (120, 3311202), (122, 3256920), (144, 2759335), (166, 2393640), (180, 2207468), (183, 2171280), (218, 1822680), (240, 1655601), (244, 1628460), (249, 1595760), (305, 1302768), (327, 1215120), (332, 1196820), (360, 1103734), (366, 1085640), (415, 957456), (436, 911340), (488, 814230), (498, 797880), (545, 729072), (549, 723760), (610, 651384), (654, 607560), (664, 598410), (720, 551867), (732, 542820), (747, 531920), (830, 478728), (872, 455670), (915, 434256), (976, 407115), (981, 405040), (996, 398940), (1090, 364536), (1098, 361880), (1220, 325692), (1245, 319152), (1308, 303780), (1328, 299205), (1464, 271410), (1494, 265960), (1635, 243024), (1660, 239364), (1744, 227835), (1830, 217128), (1962, 202520), (1992, 199470), (2180, 182268), (2196, 180940), (2440, 162846), (2490, 159576), (2616, 151890), (2745, 144752), (2928, 135705), (2988, 132980), (3270, 121512), (3320, 119682), (3660, 108564), (3735, 106384), (3924, 101260), (3984, 99735), (4360, 91134), (4392, 90470), (4880, 81423), (4905, 81008), (4980, 79788), (5063, 78480), (5232, 75945), (5490, 72376), (5976, 66490), (6540, 60756), (6640, 59841), (6649, 59760), (7320, 54282), (7470, 53192), (7848, 50630), (8720, 45567), (8784, 45235), (9047, 43920), (9810, 40504), (9960, 39894), (10126, 39240), (10980, 36188), (11952, 33245), (13080, 30378), (13298, 29880), (14640, 27141), (14940, 26596), (15189, 26160), (15696, 25315), (18094, 21960), (19620, 20252), (19920, 19947)]