78439980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{829}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 234259200

約数和(自身を除く): 155819220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 83, 95, 114, 166, 190, 228, 249, 285, 332, 380, 415, 498, 570, 829, 830, 996, 1140, 1245, 1577, 1658, 1660, 2487, 2490, 3154, 3316, 4145, 4731, 4974, 4980, 6308, 7885, 8290, 9462, 9948, 12435, 15751, 15770, 16580, 18924, 23655, 24870, 31502, 31540, 47253, 47310, 49740, 63004, 68807, 78755, 94506, 94620, 137614, 157510, 189012, 206421, 236265, 275228, 315020, 344035, 412842, 472530, 688070, 825684, 945060, 1032105, 1307333, 1376140, 2064210, 2614666, 3921999, 4128420, 5229332, 6536665, 7843998, 13073330, 15687996, 19609995, 26146660, 39219990, 78439980]

約数ペア:

[(1, 78439980), (2, 39219990), (3, 26146660), (4, 19609995), (5, 15687996), (6, 13073330), (10, 7843998), (12, 6536665), (15, 5229332), (19, 4128420), (20, 3921999), (30, 2614666), (38, 2064210), (57, 1376140), (60, 1307333), (76, 1032105), (83, 945060), (95, 825684), (114, 688070), (166, 472530), (190, 412842), (228, 344035), (249, 315020), (285, 275228), (332, 236265), (380, 206421), (415, 189012), (498, 157510), (570, 137614), (829, 94620), (830, 94506), (996, 78755), (1140, 68807), (1245, 63004), (1577, 49740), (1658, 47310), (1660, 47253), (2487, 31540), (2490, 31502), (3154, 24870), (3316, 23655), (4145, 18924), (4731, 16580), (4974, 15770), (4980, 15751), (6308, 12435), (7885, 9948), (8290, 9462)]