73720980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17807}}^1$

素因数の和:17845

約数の個数: 72

約数和(自身を含む): 233356032

約数和(自身を除く): 159635052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 17807, 35614, 53421, 71228, 89035, 106842, 160263, 178070, 213684, 267105, 320526, 356140, 409561, 534210, 641052, 801315, 819122, 1068420, 1228683, 1602630, 1638244, 2047805, 2457366, 3205260, 3686049, 4095610, 4914732, 6143415, 7372098, 8191220, 12286830, 14744196, 18430245, 24573660, 36860490, 73720980]

約数ペア:

[(1, 73720980), (2, 36860490), (3, 24573660), (4, 18430245), (5, 14744196), (6, 12286830), (9, 8191220), (10, 7372098), (12, 6143415), (15, 4914732), (18, 4095610), (20, 3686049), (23, 3205260), (30, 2457366), (36, 2047805), (45, 1638244), (46, 1602630), (60, 1228683), (69, 1068420), (90, 819122), (92, 801315), (115, 641052), (138, 534210), (180, 409561), (207, 356140), (230, 320526), (276, 267105), (345, 213684), (414, 178070), (460, 160263), (690, 106842), (828, 89035), (1035, 71228), (1380, 53421), (2070, 35614), (4140, 17807)]