81940464

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 160

約数和(自身を含む): 252960000

約数和(自身を除く): 171019536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 67, 72, 76, 108, 114, 134, 144, 149, 152, 171, 201, 216, 228, 268, 298, 304, 342, 402, 432, 447, 456, 513, 536, 596, 603, 684, 804, 894, 912, 1026, 1072, 1192, 1206, 1273, 1341, 1368, 1608, 1788, 1809, 2052, 2384, 2412, 2546, 2682, 2736, 2831, 3216, 3576, 3618, 3819, 4023, 4104, 4824, 5092, 5364, 5662, 7152, 7236, 7638, 8046, 8208, 8493, 9648, 9983, 10184, 10728, 11324, 11457, 14472, 15276, 16092, 16986, 19966, 20368, 21456, 22648, 22914, 25479, 28944, 29949, 30552, 32184, 33972, 34371, 39932, 45296, 45828, 50958, 59898, 61104, 64368, 67944, 68742, 76437, 79864, 89847, 91656, 101916, 119796, 135888, 137484, 152874, 159728, 179694, 183312, 189677, 203832, 239592, 269541, 274968, 305748, 359388, 379354, 407664, 479184, 539082, 549936, 569031, 611496, 718776, 758708, 1078164, 1138062, 1222992, 1437552, 1517416, 1707093, 2156328, 2276124, 3034832, 3414186, 4312656, 4552248, 5121279, 6828372, 9104496, 10242558, 13656744, 20485116, 27313488, 40970232, 81940464]

約数ペア:

[(1, 81940464), (2, 40970232), (3, 27313488), (4, 20485116), (6, 13656744), (8, 10242558), (9, 9104496), (12, 6828372), (16, 5121279), (18, 4552248), (19, 4312656), (24, 3414186), (27, 3034832), (36, 2276124), (38, 2156328), (48, 1707093), (54, 1517416), (57, 1437552), (67, 1222992), (72, 1138062), (76, 1078164), (108, 758708), (114, 718776), (134, 611496), (144, 569031), (149, 549936), (152, 539082), (171, 479184), (201, 407664), (216, 379354), (228, 359388), (268, 305748), (298, 274968), (304, 269541), (342, 239592), (402, 203832), (432, 189677), (447, 183312), (456, 179694), (513, 159728), (536, 152874), (596, 137484), (603, 135888), (684, 119796), (804, 101916), (894, 91656), (912, 89847), (1026, 79864), (1072, 76437), (1192, 68742), (1206, 67944), (1273, 64368), (1341, 61104), (1368, 59898), (1608, 50958), (1788, 45828), (1809, 45296), (2052, 39932), (2384, 34371), (2412, 33972), (2546, 32184), (2682, 30552), (2736, 29949), (2831, 28944), (3216, 25479), (3576, 22914), (3618, 22648), (3819, 21456), (4023, 20368), (4104, 19966), (4824, 16986), (5092, 16092), (5364, 15276), (5662, 14472), (7152, 11457), (7236, 11324), (7638, 10728), (8046, 10184), (8208, 9983), (8493, 9648)]