1321260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 3968496

約数和(自身を除く): 2647236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 228, 244, 285, 305, 361, 366, 380, 570, 610, 722, 732, 915, 1083, 1140, 1159, 1220, 1444, 1805, 1830, 2166, 2318, 3477, 3610, 3660, 4332, 4636, 5415, 5795, 6954, 7220, 10830, 11590, 13908, 17385, 21660, 22021, 23180, 34770, 44042, 66063, 69540, 88084, 110105, 132126, 220210, 264252, 330315, 440420, 660630, 1321260]

約数ペア:

[(1, 1321260), (2, 660630), (3, 440420), (4, 330315), (5, 264252), (6, 220210), (10, 132126), (12, 110105), (15, 88084), (19, 69540), (20, 66063), (30, 44042), (38, 34770), (57, 23180), (60, 22021), (61, 21660), (76, 17385), (95, 13908), (114, 11590), (122, 10830), (183, 7220), (190, 6954), (228, 5795), (244, 5415), (285, 4636), (305, 4332), (361, 3660), (366, 3610), (380, 3477), (570, 2318), (610, 2166), (722, 1830), (732, 1805), (915, 1444), (1083, 1220), (1140, 1159)]