81369216

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 253955520

約数和(自身を除く): 172586304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 37, 46, 48, 64, 69, 72, 74, 83, 92, 96, 111, 128, 138, 144, 148, 166, 184, 192, 207, 222, 249, 276, 288, 296, 332, 333, 368, 384, 414, 444, 498, 552, 576, 592, 664, 666, 736, 747, 828, 851, 888, 996, 1104, 1152, 1184, 1328, 1332, 1472, 1494, 1656, 1702, 1776, 1909, 1992, 2208, 2368, 2553, 2656, 2664, 2944, 2988, 3071, 3312, 3404, 3552, 3818, 3984, 4416, 4736, 5106, 5312, 5328, 5727, 5976, 6142, 6624, 6808, 7104, 7636, 7659, 7968, 8832, 9213, 10212, 10624, 10656, 11454, 11952, 12284, 13248, 13616, 14208, 15272, 15318, 15936, 17181, 18426, 20424, 21312, 22908, 23904, 24568, 26496, 27232, 27639, 30544, 30636, 31872, 34362, 36852, 40848, 42624, 45816, 47808, 49136, 54464, 55278, 61088, 61272, 68724, 70633, 73704, 81696, 91632, 95616, 98272, 108928, 110556, 122176, 122544, 137448, 141266, 147408, 163392, 183264, 196544, 211899, 221112, 244352, 245088, 274896, 282532, 294816, 326784, 366528, 393088, 423798, 442224, 490176, 549792, 565064, 589632, 635697, 733056, 847596, 884448, 980352, 1099584, 1130128, 1179264, 1271394, 1695192, 1768896, 2199168, 2260256, 2542788, 3390384, 3537792, 4520512, 5085576, 6780768, 9041024, 10171152, 13561536, 20342304, 27123072, 40684608, 81369216]

約数ペア:

[(1, 81369216), (2, 40684608), (3, 27123072), (4, 20342304), (6, 13561536), (8, 10171152), (9, 9041024), (12, 6780768), (16, 5085576), (18, 4520512), (23, 3537792), (24, 3390384), (32, 2542788), (36, 2260256), (37, 2199168), (46, 1768896), (48, 1695192), (64, 1271394), (69, 1179264), (72, 1130128), (74, 1099584), (83, 980352), (92, 884448), (96, 847596), (111, 733056), (128, 635697), (138, 589632), (144, 565064), (148, 549792), (166, 490176), (184, 442224), (192, 423798), (207, 393088), (222, 366528), (249, 326784), (276, 294816), (288, 282532), (296, 274896), (332, 245088), (333, 244352), (368, 221112), (384, 211899), (414, 196544), (444, 183264), (498, 163392), (552, 147408), (576, 141266), (592, 137448), (664, 122544), (666, 122176), (736, 110556), (747, 108928), (828, 98272), (851, 95616), (888, 91632), (996, 81696), (1104, 73704), (1152, 70633), (1184, 68724), (1328, 61272), (1332, 61088), (1472, 55278), (1494, 54464), (1656, 49136), (1702, 47808), (1776, 45816), (1909, 42624), (1992, 40848), (2208, 36852), (2368, 34362), (2553, 31872), (2656, 30636), (2664, 30544), (2944, 27639), (2988, 27232), (3071, 26496), (3312, 24568), (3404, 23904), (3552, 22908), (3818, 21312), (3984, 20424), (4416, 18426), (4736, 17181), (5106, 15936), (5312, 15318), (5328, 15272), (5727, 14208), (5976, 13616), (6142, 13248), (6624, 12284), (6808, 11952), (7104, 11454), (7636, 10656), (7659, 10624), (7968, 10212), (8832, 9213)]