78723260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 227598336

約数和(自身を除く): 148875076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 31, 34, 35, 44, 55, 62, 68, 70, 77, 85, 97, 110, 119, 124, 140, 154, 155, 170, 187, 194, 217, 220, 238, 308, 310, 340, 341, 374, 385, 388, 434, 476, 485, 527, 595, 620, 679, 682, 748, 770, 868, 935, 970, 1054, 1067, 1085, 1190, 1309, 1358, 1364, 1540, 1649, 1705, 1870, 1940, 2108, 2134, 2170, 2380, 2387, 2618, 2635, 2716, 3007, 3298, 3395, 3410, 3689, 3740, 4268, 4340, 4774, 5236, 5270, 5335, 5797, 6014, 6545, 6596, 6790, 6820, 7378, 7469, 8245, 9548, 10540, 10670, 11543, 11594, 11935, 12028, 13090, 13580, 14756, 14938, 15035, 16490, 18139, 18445, 21049, 21340, 23086, 23188, 23870, 26180, 28985, 29876, 30070, 32980, 33077, 36278, 36890, 37345, 40579, 42098, 46172, 47740, 51119, 57715, 57970, 60140, 66154, 72556, 73780, 74690, 81158, 84196, 90695, 102238, 105245, 115430, 115940, 126973, 132308, 149380, 162316, 165385, 181390, 202895, 204476, 210490, 230860, 231539, 253946, 255595, 330770, 357833, 362780, 405790, 420980, 463078, 507892, 511190, 562309, 634865, 661540, 715666, 811580, 926156, 1022380, 1124618, 1157695, 1269730, 1431332, 1789165, 2249236, 2315390, 2539460, 2811545, 3578330, 3936163, 4630780, 5623090, 7156660, 7872326, 11246180, 15744652, 19680815, 39361630, 78723260]

約数ペア:

[(1, 78723260), (2, 39361630), (4, 19680815), (5, 15744652), (7, 11246180), (10, 7872326), (11, 7156660), (14, 5623090), (17, 4630780), (20, 3936163), (22, 3578330), (28, 2811545), (31, 2539460), (34, 2315390), (35, 2249236), (44, 1789165), (55, 1431332), (62, 1269730), (68, 1157695), (70, 1124618), (77, 1022380), (85, 926156), (97, 811580), (110, 715666), (119, 661540), (124, 634865), (140, 562309), (154, 511190), (155, 507892), (170, 463078), (187, 420980), (194, 405790), (217, 362780), (220, 357833), (238, 330770), (308, 255595), (310, 253946), (340, 231539), (341, 230860), (374, 210490), (385, 204476), (388, 202895), (434, 181390), (476, 165385), (485, 162316), (527, 149380), (595, 132308), (620, 126973), (679, 115940), (682, 115430), (748, 105245), (770, 102238), (868, 90695), (935, 84196), (970, 81158), (1054, 74690), (1067, 73780), (1085, 72556), (1190, 66154), (1309, 60140), (1358, 57970), (1364, 57715), (1540, 51119), (1649, 47740), (1705, 46172), (1870, 42098), (1940, 40579), (2108, 37345), (2134, 36890), (2170, 36278), (2380, 33077), (2387, 32980), (2618, 30070), (2635, 29876), (2716, 28985), (3007, 26180), (3298, 23870), (3395, 23188), (3410, 23086), (3689, 21340), (3740, 21049), (4268, 18445), (4340, 18139), (4774, 16490), (5236, 15035), (5270, 14938), (5335, 14756), (5797, 13580), (6014, 13090), (6545, 12028), (6596, 11935), (6790, 11594), (6820, 11543), (7378, 10670), (7469, 10540), (8245, 9548)]