78148140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1444

約数の個数: 144

約数和(自身を含む): 268128000

約数和(自身を除く): 189979860

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, 1330, 1399, 1470, 1596, 1862, 1995, 2660, 2793, 2798, 2940, 3724, 3990, 4197, 4655, 5586, 5596, 6995, 7980, 8394, 9310, 9793, 11172, 13965, 13990, 16788, 18620, 19586, 20985, 26581, 27930, 27980, 29379, 39172, 41970, 48965, 53162, 55860, 58758, 68551, 79743, 83940, 97930, 106324, 117516, 132905, 137102, 146895, 159486, 186067, 195860, 205653, 265810, 274204, 293790, 318972, 342755, 372134, 398715, 411306, 531620, 558201, 587580, 685510, 744268, 797430, 822612, 930335, 1028265, 1116402, 1302469, 1371020, 1594860, 1860670, 2056530, 2232804, 2604938, 2791005, 3721340, 3907407, 4113060, 5209876, 5582010, 6512345, 7814814, 11164020, 13024690, 15629628, 19537035, 26049380, 39074070, 78148140]

約数ペア:

[(1, 78148140), (2, 39074070), (3, 26049380), (4, 19537035), (5, 15629628), (6, 13024690), (7, 11164020), (10, 7814814), (12, 6512345), (14, 5582010), (15, 5209876), (19, 4113060), (20, 3907407), (21, 3721340), (28, 2791005), (30, 2604938), (35, 2232804), (38, 2056530), (42, 1860670), (49, 1594860), (57, 1371020), (60, 1302469), (70, 1116402), (76, 1028265), (84, 930335), (95, 822612), (98, 797430), (105, 744268), (114, 685510), (133, 587580), (140, 558201), (147, 531620), (190, 411306), (196, 398715), (210, 372134), (228, 342755), (245, 318972), (266, 293790), (285, 274204), (294, 265810), (380, 205653), (399, 195860), (420, 186067), (490, 159486), (532, 146895), (570, 137102), (588, 132905), (665, 117516), (735, 106324), (798, 97930), (931, 83940), (980, 79743), (1140, 68551), (1330, 58758), (1399, 55860), (1470, 53162), (1596, 48965), (1862, 41970), (1995, 39172), (2660, 29379), (2793, 27980), (2798, 27930), (2940, 26581), (3724, 20985), (3990, 19586), (4197, 18620), (4655, 16788), (5586, 13990), (5596, 13965), (6995, 11172), (7980, 9793), (8394, 9310)]