204742720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 224

約数和(自身を含む): 614476800

約数和(自身を除く): 409734080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 79, 80, 89, 91, 104, 112, 130, 140, 158, 160, 178, 182, 208, 224, 260, 280, 316, 320, 356, 364, 395, 416, 445, 448, 455, 520, 553, 560, 623, 632, 712, 728, 790, 832, 890, 910, 1027, 1040, 1106, 1120, 1157, 1246, 1264, 1424, 1456, 1580, 1780, 1820, 2054, 2080, 2212, 2240, 2314, 2492, 2528, 2765, 2848, 2912, 3115, 3160, 3560, 3640, 4108, 4160, 4424, 4628, 4984, 5056, 5135, 5530, 5696, 5785, 5824, 6230, 6320, 7031, 7120, 7189, 7280, 8099, 8216, 8848, 9256, 9968, 10270, 11060, 11570, 12460, 12640, 14062, 14240, 14378, 14560, 16198, 16432, 17696, 18512, 19936, 20540, 22120, 23140, 24920, 25280, 28124, 28480, 28756, 29120, 32396, 32864, 35155, 35392, 35945, 37024, 39872, 40495, 41080, 44240, 46280, 49217, 49840, 56248, 57512, 64792, 65728, 70310, 71890, 74048, 80990, 82160, 88480, 91403, 92560, 98434, 99680, 112496, 115024, 129584, 140620, 143780, 161980, 164320, 176960, 182806, 185120, 196868, 199360, 224992, 230048, 246085, 259168, 281240, 287560, 323960, 328640, 365612, 370240, 393736, 449984, 457015, 460096, 492170, 518336, 562480, 575120, 639821, 647920, 731224, 787472, 914030, 984340, 1124960, 1150240, 1279642, 1295840, 1462448, 1574944, 1828060, 1968680, 2249920, 2300480, 2559284, 2591680, 2924896, 3149888, 3199105, 3656120, 3937360, 5118568, 5849792, 6398210, 7312240, 7874720, 10237136, 12796420, 14624480, 15749440, 20474272, 25592840, 29248960, 40948544, 51185680, 102371360, 204742720]

約数ペア:

[(1, 204742720), (2, 102371360), (4, 51185680), (5, 40948544), (7, 29248960), (8, 25592840), (10, 20474272), (13, 15749440), (14, 14624480), (16, 12796420), (20, 10237136), (26, 7874720), (28, 7312240), (32, 6398210), (35, 5849792), (40, 5118568), (52, 3937360), (56, 3656120), (64, 3199105), (65, 3149888), (70, 2924896), (79, 2591680), (80, 2559284), (89, 2300480), (91, 2249920), (104, 1968680), (112, 1828060), (130, 1574944), (140, 1462448), (158, 1295840), (160, 1279642), (178, 1150240), (182, 1124960), (208, 984340), (224, 914030), (260, 787472), (280, 731224), (316, 647920), (320, 639821), (356, 575120), (364, 562480), (395, 518336), (416, 492170), (445, 460096), (448, 457015), (455, 449984), (520, 393736), (553, 370240), (560, 365612), (623, 328640), (632, 323960), (712, 287560), (728, 281240), (790, 259168), (832, 246085), (890, 230048), (910, 224992), (1027, 199360), (1040, 196868), (1106, 185120), (1120, 182806), (1157, 176960), (1246, 164320), (1264, 161980), (1424, 143780), (1456, 140620), (1580, 129584), (1780, 115024), (1820, 112496), (2054, 99680), (2080, 98434), (2212, 92560), (2240, 91403), (2314, 88480), (2492, 82160), (2528, 80990), (2765, 74048), (2848, 71890), (2912, 70310), (3115, 65728), (3160, 64792), (3560, 57512), (3640, 56248), (4108, 49840), (4160, 49217), (4424, 46280), (4628, 44240), (4984, 41080), (5056, 40495), (5135, 39872), (5530, 37024), (5696, 35945), (5785, 35392), (5824, 35155), (6230, 32864), (6320, 32396), (7031, 29120), (7120, 28756), (7189, 28480), (7280, 28124), (8099, 25280), (8216, 24920), (8848, 23140), (9256, 22120), (9968, 20540), (10270, 19936), (11060, 18512), (11570, 17696), (12460, 16432), (12640, 16198), (14062, 14560), (14240, 14378)]