79669240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 138058760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 89, 92, 115, 139, 140, 161, 178, 184, 230, 278, 280, 322, 356, 445, 460, 556, 623, 644, 695, 712, 805, 890, 920, 973, 1112, 1246, 1288, 1390, 1610, 1780, 1946, 2047, 2492, 2780, 3115, 3197, 3220, 3560, 3892, 4094, 4865, 4984, 5560, 6230, 6394, 6440, 7784, 8188, 9730, 10235, 12371, 12460, 12788, 14329, 15985, 16376, 19460, 20470, 22379, 24742, 24920, 25576, 28658, 31970, 38920, 40940, 44758, 49484, 57316, 61855, 63940, 71645, 81880, 86597, 89516, 98968, 111895, 114632, 123710, 127880, 143290, 173194, 179032, 223790, 247420, 284533, 286580, 346388, 432985, 447580, 494840, 569066, 573160, 692776, 865970, 895160, 1138132, 1422665, 1731940, 1991731, 2276264, 2845330, 3463880, 3983462, 5690660, 7966924, 9958655, 11381320, 15933848, 19917310, 39834620, 79669240]

約数ペア:

[(1, 79669240), (2, 39834620), (4, 19917310), (5, 15933848), (7, 11381320), (8, 9958655), (10, 7966924), (14, 5690660), (20, 3983462), (23, 3463880), (28, 2845330), (35, 2276264), (40, 1991731), (46, 1731940), (56, 1422665), (70, 1138132), (89, 895160), (92, 865970), (115, 692776), (139, 573160), (140, 569066), (161, 494840), (178, 447580), (184, 432985), (230, 346388), (278, 286580), (280, 284533), (322, 247420), (356, 223790), (445, 179032), (460, 173194), (556, 143290), (623, 127880), (644, 123710), (695, 114632), (712, 111895), (805, 98968), (890, 89516), (920, 86597), (973, 81880), (1112, 71645), (1246, 63940), (1288, 61855), (1390, 57316), (1610, 49484), (1780, 44758), (1946, 40940), (2047, 38920), (2492, 31970), (2780, 28658), (3115, 25576), (3197, 24920), (3220, 24742), (3560, 22379), (3892, 20470), (4094, 19460), (4865, 16376), (4984, 15985), (5560, 14329), (6230, 12788), (6394, 12460), (6440, 12371), (7784, 10235), (8188, 9730)]