838020840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1847}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 2661120000

約数和(自身を除く): 1823099160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 380, 398, 456, 570, 597, 760, 796, 995, 1140, 1194, 1592, 1847, 1990, 2280, 2388, 2985, 3694, 3781, 3980, 4776, 5541, 5970, 7388, 7562, 7960, 9235, 11082, 11343, 11940, 14776, 15124, 18470, 18905, 22164, 22686, 23880, 27705, 30248, 35093, 36940, 37810, 44328, 45372, 55410, 56715, 70186, 73880, 75620, 90744, 105279, 110820, 113430, 140372, 151240, 175465, 210558, 221640, 226860, 280744, 350930, 367553, 421116, 453720, 526395, 701860, 735106, 842232, 1052790, 1102659, 1403720, 1470212, 1837765, 2105580, 2205318, 2940424, 3675530, 4211160, 4410636, 5513295, 6983507, 7351060, 8821272, 11026590, 13967014, 14702120, 20950521, 22053180, 27934028, 34917535, 41901042, 44106360, 55868056, 69835070, 83802084, 104752605, 139670140, 167604168, 209505210, 279340280, 419010420, 838020840]

約数ペア:

[(1, 838020840), (2, 419010420), (3, 279340280), (4, 209505210), (5, 167604168), (6, 139670140), (8, 104752605), (10, 83802084), (12, 69835070), (15, 55868056), (19, 44106360), (20, 41901042), (24, 34917535), (30, 27934028), (38, 22053180), (40, 20950521), (57, 14702120), (60, 13967014), (76, 11026590), (95, 8821272), (114, 7351060), (120, 6983507), (152, 5513295), (190, 4410636), (199, 4211160), (228, 3675530), (285, 2940424), (380, 2205318), (398, 2105580), (456, 1837765), (570, 1470212), (597, 1403720), (760, 1102659), (796, 1052790), (995, 842232), (1140, 735106), (1194, 701860), (1592, 526395), (1847, 453720), (1990, 421116), (2280, 367553), (2388, 350930), (2985, 280744), (3694, 226860), (3781, 221640), (3980, 210558), (4776, 175465), (5541, 151240), (5970, 140372), (7388, 113430), (7562, 110820), (7960, 105279), (9235, 90744), (11082, 75620), (11343, 73880), (11940, 70186), (14776, 56715), (15124, 55410), (18470, 45372), (18905, 44328), (22164, 37810), (22686, 36940), (23880, 35093), (27705, 30248)]