780915900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 2320545920

約数和(自身を除く): 1539630020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 139, 150, 183, 244, 278, 300, 305, 307, 366, 417, 556, 610, 614, 695, 732, 834, 915, 921, 1220, 1228, 1390, 1525, 1535, 1668, 1830, 1842, 2085, 2780, 3050, 3070, 3475, 3660, 3684, 4170, 4575, 4605, 6100, 6140, 6950, 7675, 8340, 8479, 9150, 9210, 10425, 13900, 15350, 16958, 18300, 18420, 18727, 20850, 23025, 25437, 30700, 33916, 37454, 41700, 42395, 42673, 46050, 50874, 56181, 74908, 84790, 85346, 92100, 93635, 101748, 112362, 127185, 128019, 169580, 170692, 187270, 211975, 213365, 224724, 254370, 256038, 280905, 374540, 423950, 426730, 468175, 508740, 512076, 561810, 635925, 640095, 847900, 853460, 936350, 1066825, 1123620, 1271850, 1280190, 1404525, 1872700, 2133650, 2543700, 2560380, 2603053, 2809050, 3200475, 4267300, 5206106, 5618100, 6400950, 7809159, 10412212, 12801900, 13015265, 15618318, 26030530, 31236636, 39045795, 52061060, 65076325, 78091590, 130152650, 156183180, 195228975, 260305300, 390457950, 780915900]

約数ペア:

[(1, 780915900), (2, 390457950), (3, 260305300), (4, 195228975), (5, 156183180), (6, 130152650), (10, 78091590), (12, 65076325), (15, 52061060), (20, 39045795), (25, 31236636), (30, 26030530), (50, 15618318), (60, 13015265), (61, 12801900), (75, 10412212), (100, 7809159), (122, 6400950), (139, 5618100), (150, 5206106), (183, 4267300), (244, 3200475), (278, 2809050), (300, 2603053), (305, 2560380), (307, 2543700), (366, 2133650), (417, 1872700), (556, 1404525), (610, 1280190), (614, 1271850), (695, 1123620), (732, 1066825), (834, 936350), (915, 853460), (921, 847900), (1220, 640095), (1228, 635925), (1390, 561810), (1525, 512076), (1535, 508740), (1668, 468175), (1830, 426730), (1842, 423950), (2085, 374540), (2780, 280905), (3050, 256038), (3070, 254370), (3475, 224724), (3660, 213365), (3684, 211975), (4170, 187270), (4575, 170692), (4605, 169580), (6100, 128019), (6140, 127185), (6950, 112362), (7675, 101748), (8340, 93635), (8479, 92100), (9150, 85346), (9210, 84790), (10425, 74908), (13900, 56181), (15350, 50874), (16958, 46050), (18300, 42673), (18420, 42395), (18727, 41700), (20850, 37454), (23025, 33916), (25437, 30700)]