25427880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 89631360

約数和(自身を除く): 64203480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 60, 69, 72, 74, 83, 90, 92, 111, 115, 120, 138, 148, 166, 180, 184, 185, 207, 222, 230, 249, 276, 296, 332, 333, 345, 360, 370, 414, 415, 444, 460, 498, 552, 555, 664, 666, 690, 740, 747, 828, 830, 851, 888, 920, 996, 1035, 1110, 1245, 1332, 1380, 1480, 1494, 1656, 1660, 1665, 1702, 1909, 1992, 2070, 2220, 2490, 2553, 2664, 2760, 2988, 3071, 3320, 3330, 3404, 3735, 3818, 4140, 4255, 4440, 4980, 5106, 5727, 5976, 6142, 6660, 6808, 7470, 7636, 7659, 8280, 8510, 9213, 9545, 9960, 10212, 11454, 12284, 12765, 13320, 14940, 15272, 15318, 15355, 17020, 17181, 18426, 19090, 20424, 22908, 24568, 25530, 27639, 28635, 29880, 30636, 30710, 34040, 34362, 36852, 38180, 38295, 45816, 46065, 51060, 55278, 57270, 61272, 61420, 68724, 70633, 73704, 76360, 76590, 85905, 92130, 102120, 110556, 114540, 122840, 137448, 138195, 141266, 153180, 171810, 184260, 211899, 221112, 229080, 276390, 282532, 306360, 343620, 353165, 368520, 423798, 552780, 565064, 635697, 687240, 706330, 847596, 1059495, 1105560, 1271394, 1412660, 1695192, 2118990, 2542788, 2825320, 3178485, 4237980, 5085576, 6356970, 8475960, 12713940, 25427880]

約数ペア:

[(1, 25427880), (2, 12713940), (3, 8475960), (4, 6356970), (5, 5085576), (6, 4237980), (8, 3178485), (9, 2825320), (10, 2542788), (12, 2118990), (15, 1695192), (18, 1412660), (20, 1271394), (23, 1105560), (24, 1059495), (30, 847596), (36, 706330), (37, 687240), (40, 635697), (45, 565064), (46, 552780), (60, 423798), (69, 368520), (72, 353165), (74, 343620), (83, 306360), (90, 282532), (92, 276390), (111, 229080), (115, 221112), (120, 211899), (138, 184260), (148, 171810), (166, 153180), (180, 141266), (184, 138195), (185, 137448), (207, 122840), (222, 114540), (230, 110556), (249, 102120), (276, 92130), (296, 85905), (332, 76590), (333, 76360), (345, 73704), (360, 70633), (370, 68724), (414, 61420), (415, 61272), (444, 57270), (460, 55278), (498, 51060), (552, 46065), (555, 45816), (664, 38295), (666, 38180), (690, 36852), (740, 34362), (747, 34040), (828, 30710), (830, 30636), (851, 29880), (888, 28635), (920, 27639), (996, 25530), (1035, 24568), (1110, 22908), (1245, 20424), (1332, 19090), (1380, 18426), (1480, 17181), (1494, 17020), (1656, 15355), (1660, 15318), (1665, 15272), (1702, 14940), (1909, 13320), (1992, 12765), (2070, 12284), (2220, 11454), (2490, 10212), (2553, 9960), (2664, 9545), (2760, 9213), (2988, 8510), (3071, 8280), (3320, 7659), (3330, 7636), (3404, 7470), (3735, 6808), (3818, 6660), (4140, 6142), (4255, 5976), (4440, 5727), (4980, 5106)]