1551272520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{7727}}^1$

素因数の和:7987

約数の個数: 128

約数和(自身を含む): 5341593600

約数和(自身を除く): 3790321080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 840, 956, 1195, 1434, 1673, 1912, 2390, 2868, 3346, 3585, 4780, 5019, 5736, 6692, 7170, 7727, 8365, 9560, 10038, 13384, 14340, 15454, 16730, 20076, 23181, 25095, 28680, 30908, 33460, 38635, 40152, 46362, 50190, 54089, 61816, 66920, 77270, 92724, 100380, 108178, 115905, 154540, 162267, 185448, 200760, 216356, 231810, 270445, 309080, 324534, 432712, 463620, 540890, 649068, 811335, 927240, 1081780, 1298136, 1622670, 1846753, 2163560, 3245340, 3693506, 5540259, 6490680, 7387012, 9233765, 11080518, 12927271, 14774024, 18467530, 22161036, 25854542, 27701295, 36935060, 38781813, 44322072, 51709084, 55402590, 64636355, 73870120, 77563626, 103418168, 110805180, 129272710, 155127252, 193909065, 221610360, 258545420, 310254504, 387818130, 517090840, 775636260, 1551272520]

約数ペア:

[(1, 1551272520), (2, 775636260), (3, 517090840), (4, 387818130), (5, 310254504), (6, 258545420), (7, 221610360), (8, 193909065), (10, 155127252), (12, 129272710), (14, 110805180), (15, 103418168), (20, 77563626), (21, 73870120), (24, 64636355), (28, 55402590), (30, 51709084), (35, 44322072), (40, 38781813), (42, 36935060), (56, 27701295), (60, 25854542), (70, 22161036), (84, 18467530), (105, 14774024), (120, 12927271), (140, 11080518), (168, 9233765), (210, 7387012), (239, 6490680), (280, 5540259), (420, 3693506), (478, 3245340), (717, 2163560), (840, 1846753), (956, 1622670), (1195, 1298136), (1434, 1081780), (1673, 927240), (1912, 811335), (2390, 649068), (2868, 540890), (3346, 463620), (3585, 432712), (4780, 324534), (5019, 309080), (5736, 270445), (6692, 231810), (7170, 216356), (7727, 200760), (8365, 185448), (9560, 162267), (10038, 154540), (13384, 115905), (14340, 108178), (15454, 100380), (16730, 92724), (20076, 77270), (23181, 66920), (25095, 61816), (28680, 54089), (30908, 50190), (33460, 46362), (38635, 40152)]