2880780

素因数分解:

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

素因数の和:76

約数の個数: 96

約数和(自身を含む): 9730560

約数和(自身を除く): 6849780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 570, 665, 722, 798, 1083, 1140, 1330, 1444, 1596, 1805, 1995, 2166, 2527, 2660, 3610, 3990, 4332, 5054, 5415, 6859, 7220, 7581, 7980, 10108, 10830, 12635, 13718, 15162, 20577, 21660, 25270, 27436, 30324, 34295, 37905, 41154, 48013, 50540, 68590, 75810, 82308, 96026, 102885, 137180, 144039, 151620, 192052, 205770, 240065, 288078, 411540, 480130, 576156, 720195, 960260, 1440390, 2880780]

約数ペア:

[(1, 2880780), (2, 1440390), (3, 960260), (4, 720195), (5, 576156), (6, 480130), (7, 411540), (10, 288078), (12, 240065), (14, 205770), (15, 192052), (19, 151620), (20, 144039), (21, 137180), (28, 102885), (30, 96026), (35, 82308), (38, 75810), (42, 68590), (57, 50540), (60, 48013), (70, 41154), (76, 37905), (84, 34295), (95, 30324), (105, 27436), (114, 25270), (133, 21660), (140, 20577), (190, 15162), (210, 13718), (228, 12635), (266, 10830), (285, 10108), (361, 7980), (380, 7581), (399, 7220), (420, 6859), (532, 5415), (570, 5054), (665, 4332), (722, 3990), (798, 3610), (1083, 2660), (1140, 2527), (1330, 2166), (1444, 1995), (1596, 1805)]