64406580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1198

約数の個数: 144

約数和(自身を含む): 221014080

約数和(自身を除く): 156607500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1153, 1330, 1470, 1596, 1862, 1995, 2306, 2660, 2793, 2940, 3459, 3724, 3990, 4612, 4655, 5586, 5765, 6918, 7980, 8071, 9310, 11172, 11530, 13836, 13965, 16142, 17295, 18620, 21907, 23060, 24213, 27930, 32284, 34590, 40355, 43814, 48426, 55860, 56497, 65721, 69180, 80710, 87628, 96852, 109535, 112994, 121065, 131442, 153349, 161420, 169491, 219070, 225988, 242130, 262884, 282485, 306698, 328605, 338982, 438140, 460047, 484260, 564970, 613396, 657210, 677964, 766745, 847455, 920094, 1073443, 1129940, 1314420, 1533490, 1694910, 1840188, 2146886, 2300235, 3066980, 3220329, 3389820, 4293772, 4600470, 5367215, 6440658, 9200940, 10734430, 12881316, 16101645, 21468860, 32203290, 64406580]

約数ペア:

[(1, 64406580), (2, 32203290), (3, 21468860), (4, 16101645), (5, 12881316), (6, 10734430), (7, 9200940), (10, 6440658), (12, 5367215), (14, 4600470), (15, 4293772), (19, 3389820), (20, 3220329), (21, 3066980), (28, 2300235), (30, 2146886), (35, 1840188), (38, 1694910), (42, 1533490), (49, 1314420), (57, 1129940), (60, 1073443), (70, 920094), (76, 847455), (84, 766745), (95, 677964), (98, 657210), (105, 613396), (114, 564970), (133, 484260), (140, 460047), (147, 438140), (190, 338982), (196, 328605), (210, 306698), (228, 282485), (245, 262884), (266, 242130), (285, 225988), (294, 219070), (380, 169491), (399, 161420), (420, 153349), (490, 131442), (532, 121065), (570, 112994), (588, 109535), (665, 96852), (735, 87628), (798, 80710), (931, 69180), (980, 65721), (1140, 56497), (1153, 55860), (1330, 48426), (1470, 43814), (1596, 40355), (1862, 34590), (1995, 32284), (2306, 27930), (2660, 24213), (2793, 23060), (2940, 21907), (3459, 18620), (3724, 17295), (3990, 16142), (4612, 13965), (4655, 13836), (5586, 11530), (5765, 11172), (6918, 9310), (7980, 8071)]