81315936

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:653

約数の個数: 144

約数和(自身を含む): 256196304

約数和(自身を除く): 174880368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 37, 39, 48, 52, 72, 74, 78, 96, 104, 111, 117, 144, 148, 156, 208, 222, 234, 288, 296, 312, 333, 416, 444, 468, 481, 587, 592, 624, 666, 888, 936, 962, 1174, 1184, 1248, 1332, 1443, 1761, 1776, 1872, 1924, 2348, 2664, 2886, 3522, 3552, 3744, 3848, 4329, 4696, 5283, 5328, 5772, 7044, 7631, 7696, 8658, 9392, 10566, 10656, 11544, 14088, 15262, 15392, 17316, 18784, 21132, 21719, 22893, 23088, 28176, 30524, 34632, 42264, 43438, 45786, 46176, 56352, 61048, 65157, 68679, 69264, 84528, 86876, 91572, 122096, 130314, 137358, 138528, 169056, 173752, 183144, 195471, 244192, 260628, 274716, 282347, 347504, 366288, 390942, 521256, 549432, 564694, 695008, 732576, 781884, 847041, 1042512, 1098864, 1129388, 1563768, 1694082, 2085024, 2197728, 2258776, 2541123, 3127536, 3388164, 4517552, 5082246, 6255072, 6776328, 9035104, 10164492, 13552656, 20328984, 27105312, 40657968, 81315936]

約数ペア:

[(1, 81315936), (2, 40657968), (3, 27105312), (4, 20328984), (6, 13552656), (8, 10164492), (9, 9035104), (12, 6776328), (13, 6255072), (16, 5082246), (18, 4517552), (24, 3388164), (26, 3127536), (32, 2541123), (36, 2258776), (37, 2197728), (39, 2085024), (48, 1694082), (52, 1563768), (72, 1129388), (74, 1098864), (78, 1042512), (96, 847041), (104, 781884), (111, 732576), (117, 695008), (144, 564694), (148, 549432), (156, 521256), (208, 390942), (222, 366288), (234, 347504), (288, 282347), (296, 274716), (312, 260628), (333, 244192), (416, 195471), (444, 183144), (468, 173752), (481, 169056), (587, 138528), (592, 137358), (624, 130314), (666, 122096), (888, 91572), (936, 86876), (962, 84528), (1174, 69264), (1184, 68679), (1248, 65157), (1332, 61048), (1443, 56352), (1761, 46176), (1776, 45786), (1872, 43438), (1924, 42264), (2348, 34632), (2664, 30524), (2886, 28176), (3522, 23088), (3552, 22893), (3744, 21719), (3848, 21132), (4329, 18784), (4696, 17316), (5283, 15392), (5328, 15262), (5772, 14088), (7044, 11544), (7631, 10656), (7696, 10566), (8658, 9392)]