261315600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2434

約数の個数: 240

約数和(自身を含む): 1030684032

約数和(自身を除く): 769368432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 208, 210, 240, 260, 273, 280, 300, 312, 325, 336, 350, 364, 390, 400, 420, 455, 520, 525, 546, 560, 600, 624, 650, 700, 728, 780, 840, 910, 975, 1040, 1050, 1092, 1200, 1300, 1365, 1400, 1456, 1560, 1680, 1820, 1950, 2100, 2184, 2275, 2393, 2600, 2730, 2800, 3120, 3640, 3900, 4200, 4368, 4550, 4786, 5200, 5460, 6825, 7179, 7280, 7800, 8400, 9100, 9572, 10920, 11965, 13650, 14358, 15600, 16751, 18200, 19144, 21840, 23930, 27300, 28716, 31109, 33502, 35895, 36400, 38288, 47860, 50253, 54600, 57432, 59825, 62218, 67004, 71790, 83755, 93327, 95720, 100506, 109200, 114864, 119650, 124436, 134008, 143580, 155545, 167510, 179475, 186654, 191440, 201012, 217763, 239300, 248872, 251265, 268016, 287160, 311090, 335020, 358950, 373308, 402024, 418775, 435526, 466635, 478600, 497744, 502530, 574320, 622180, 653289, 670040, 717900, 746616, 777725, 804048, 837550, 871052, 933270, 957200, 1005060, 1088815, 1244360, 1256325, 1306578, 1340080, 1435800, 1493232, 1555450, 1675100, 1742104, 1866540, 2010120, 2177630, 2333175, 2488720, 2512650, 2613156, 2871600, 3110900, 3266445, 3350200, 3484208, 3733080, 4020240, 4355260, 4666350, 5025300, 5226312, 5444075, 6221800, 6532890, 6700400, 7466160, 8710520, 9332700, 10050600, 10452624, 10888150, 12443600, 13065780, 16332225, 17421040, 18665400, 20101200, 21776300, 26131560, 32664450, 37330800, 43552600, 52263120, 65328900, 87105200, 130657800, 261315600]

約数ペア:

[(1, 261315600), (2, 130657800), (3, 87105200), (4, 65328900), (5, 52263120), (6, 43552600), (7, 37330800), (8, 32664450), (10, 26131560), (12, 21776300), (13, 20101200), (14, 18665400), (15, 17421040), (16, 16332225), (20, 13065780), (21, 12443600), (24, 10888150), (25, 10452624), (26, 10050600), (28, 9332700), (30, 8710520), (35, 7466160), (39, 6700400), (40, 6532890), (42, 6221800), (48, 5444075), (50, 5226312), (52, 5025300), (56, 4666350), (60, 4355260), (65, 4020240), (70, 3733080), (75, 3484208), (78, 3350200), (80, 3266445), (84, 3110900), (91, 2871600), (100, 2613156), (104, 2512650), (105, 2488720), (112, 2333175), (120, 2177630), (130, 2010120), (140, 1866540), (150, 1742104), (156, 1675100), (168, 1555450), (175, 1493232), (182, 1435800), (195, 1340080), (200, 1306578), (208, 1256325), (210, 1244360), (240, 1088815), (260, 1005060), (273, 957200), (280, 933270), (300, 871052), (312, 837550), (325, 804048), (336, 777725), (350, 746616), (364, 717900), (390, 670040), (400, 653289), (420, 622180), (455, 574320), (520, 502530), (525, 497744), (546, 478600), (560, 466635), (600, 435526), (624, 418775), (650, 402024), (700, 373308), (728, 358950), (780, 335020), (840, 311090), (910, 287160), (975, 268016), (1040, 251265), (1050, 248872), (1092, 239300), (1200, 217763), (1300, 201012), (1365, 191440), (1400, 186654), (1456, 179475), (1560, 167510), (1680, 155545), (1820, 143580), (1950, 134008), (2100, 124436), (2184, 119650), (2275, 114864), (2393, 109200), (2600, 100506), (2730, 95720), (2800, 93327), (3120, 83755), (3640, 71790), (3900, 67004), (4200, 62218), (4368, 59825), (4550, 57432), (4786, 54600), (5200, 50253), (5460, 47860), (6825, 38288), (7179, 36400), (7280, 35895), (7800, 33502), (8400, 31109), (9100, 28716), (9572, 27300), (10920, 23930), (11965, 21840), (13650, 19144), (14358, 18200), (15600, 16751)]