1280006460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2264

約数の個数: 144

約数和(自身を含む): 4023032832

約数和(自身を除く): 2743026372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 71, 90, 94, 141, 142, 180, 188, 213, 235, 282, 284, 355, 423, 426, 470, 564, 639, 705, 710, 846, 852, 940, 1065, 1278, 1410, 1420, 1692, 2115, 2130, 2131, 2556, 2820, 3195, 3337, 4230, 4260, 4262, 6390, 6393, 6674, 8460, 8524, 10011, 10655, 12780, 12786, 13348, 16685, 19179, 20022, 21310, 25572, 30033, 31965, 33370, 38358, 40044, 42620, 50055, 60066, 63930, 66740, 76716, 95895, 100110, 100157, 120132, 127860, 150165, 151301, 191790, 200220, 200314, 300330, 300471, 302602, 383580, 400628, 453903, 500785, 600660, 600942, 605204, 756505, 901413, 907806, 1001570, 1201884, 1361709, 1502355, 1513010, 1802826, 1815612, 2003140, 2269515, 2723418, 3004710, 3026020, 3605652, 4507065, 4539030, 5446836, 6009420, 6808545, 7111147, 9014130, 9078060, 13617090, 14222294, 18028260, 21333441, 27234180, 28444588, 35555735, 42666882, 64000323, 71111470, 85333764, 106667205, 128000646, 142222940, 213334410, 256001292, 320001615, 426668820, 640003230, 1280006460]

約数ペア:

[(1, 1280006460), (2, 640003230), (3, 426668820), (4, 320001615), (5, 256001292), (6, 213334410), (9, 142222940), (10, 128000646), (12, 106667205), (15, 85333764), (18, 71111470), (20, 64000323), (30, 42666882), (36, 35555735), (45, 28444588), (47, 27234180), (60, 21333441), (71, 18028260), (90, 14222294), (94, 13617090), (141, 9078060), (142, 9014130), (180, 7111147), (188, 6808545), (213, 6009420), (235, 5446836), (282, 4539030), (284, 4507065), (355, 3605652), (423, 3026020), (426, 3004710), (470, 2723418), (564, 2269515), (639, 2003140), (705, 1815612), (710, 1802826), (846, 1513010), (852, 1502355), (940, 1361709), (1065, 1201884), (1278, 1001570), (1410, 907806), (1420, 901413), (1692, 756505), (2115, 605204), (2130, 600942), (2131, 600660), (2556, 500785), (2820, 453903), (3195, 400628), (3337, 383580), (4230, 302602), (4260, 300471), (4262, 300330), (6390, 200314), (6393, 200220), (6674, 191790), (8460, 151301), (8524, 150165), (10011, 127860), (10655, 120132), (12780, 100157), (12786, 100110), (13348, 95895), (16685, 76716), (19179, 66740), (20022, 63930), (21310, 60066), (25572, 50055), (30033, 42620), (31965, 40044), (33370, 38358)]