155804040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 256

約数和(自身を含む): 610675200

約数和(自身を除く): 454871160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 54, 56, 60, 63, 70, 72, 74, 84, 90, 105, 108, 111, 120, 126, 135, 140, 148, 168, 180, 185, 189, 210, 216, 222, 252, 259, 270, 280, 296, 315, 333, 360, 370, 378, 420, 444, 504, 518, 540, 555, 557, 630, 666, 740, 756, 777, 840, 888, 945, 999, 1036, 1080, 1110, 1114, 1260, 1295, 1332, 1480, 1512, 1554, 1665, 1671, 1890, 1998, 2072, 2220, 2228, 2331, 2520, 2590, 2664, 2785, 3108, 3330, 3342, 3780, 3885, 3899, 3996, 4440, 4456, 4662, 4995, 5013, 5180, 5570, 6216, 6660, 6684, 6993, 7560, 7770, 7798, 7992, 8355, 9324, 9990, 10026, 10360, 11140, 11655, 11697, 13320, 13368, 13986, 15039, 15540, 15596, 16710, 18648, 19495, 19980, 20052, 20609, 22280, 23310, 23394, 25065, 27972, 30078, 31080, 31192, 33420, 34965, 35091, 38990, 39960, 40104, 41218, 46620, 46788, 50130, 55944, 58485, 60156, 61827, 66840, 69930, 70182, 75195, 77980, 82436, 93240, 93576, 100260, 103045, 105273, 116970, 120312, 123654, 139860, 140364, 144263, 150390, 155960, 164872, 175455, 185481, 200520, 206090, 210546, 233940, 247308, 279720, 280728, 288526, 300780, 309135, 350910, 370962, 412180, 421092, 432789, 467880, 494616, 526365, 556443, 577052, 601560, 618270, 701820, 721315, 741924, 824360, 842184, 865578, 927405, 1052730, 1112886, 1154104, 1236540, 1298367, 1403640, 1442630, 1483848, 1731156, 1854810, 2105460, 2163945, 2225772, 2473080, 2596734, 2782215, 2885260, 3462312, 3709620, 3895101, 4210920, 4327890, 4451544, 5193468, 5564430, 5770520, 6491835, 7419240, 7790202, 8655780, 10386936, 11128860, 12983670, 15580404, 17311560, 19475505, 22257720, 25967340, 31160808, 38951010, 51934680, 77902020, 155804040]

約数ペア:

[(1, 155804040), (2, 77902020), (3, 51934680), (4, 38951010), (5, 31160808), (6, 25967340), (7, 22257720), (8, 19475505), (9, 17311560), (10, 15580404), (12, 12983670), (14, 11128860), (15, 10386936), (18, 8655780), (20, 7790202), (21, 7419240), (24, 6491835), (27, 5770520), (28, 5564430), (30, 5193468), (35, 4451544), (36, 4327890), (37, 4210920), (40, 3895101), (42, 3709620), (45, 3462312), (54, 2885260), (56, 2782215), (60, 2596734), (63, 2473080), (70, 2225772), (72, 2163945), (74, 2105460), (84, 1854810), (90, 1731156), (105, 1483848), (108, 1442630), (111, 1403640), (120, 1298367), (126, 1236540), (135, 1154104), (140, 1112886), (148, 1052730), (168, 927405), (180, 865578), (185, 842184), (189, 824360), (210, 741924), (216, 721315), (222, 701820), (252, 618270), (259, 601560), (270, 577052), (280, 556443), (296, 526365), (315, 494616), (333, 467880), (360, 432789), (370, 421092), (378, 412180), (420, 370962), (444, 350910), (504, 309135), (518, 300780), (540, 288526), (555, 280728), (557, 279720), (630, 247308), (666, 233940), (740, 210546), (756, 206090), (777, 200520), (840, 185481), (888, 175455), (945, 164872), (999, 155960), (1036, 150390), (1080, 144263), (1110, 140364), (1114, 139860), (1260, 123654), (1295, 120312), (1332, 116970), (1480, 105273), (1512, 103045), (1554, 100260), (1665, 93576), (1671, 93240), (1890, 82436), (1998, 77980), (2072, 75195), (2220, 70182), (2228, 69930), (2331, 66840), (2520, 61827), (2590, 60156), (2664, 58485), (2785, 55944), (3108, 50130), (3330, 46788), (3342, 46620), (3780, 41218), (3885, 40104), (3899, 39960), (3996, 38990), (4440, 35091), (4456, 34965), (4662, 33420), (4995, 31192), (5013, 31080), (5180, 30078), (5570, 27972), (6216, 25065), (6660, 23394), (6684, 23310), (6993, 22280), (7560, 20609), (7770, 20052), (7798, 19980), (7992, 19495), (8355, 18648), (9324, 16710), (9990, 15596), (10026, 15540), (10360, 15039), (11140, 13986), (11655, 13368), (11697, 13320)]