402019920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{863}}^1$

素因数の和:1529

約数の個数: 120

約数和(自身を含む): 1353770496

約数和(自身を除く): 951750576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 647, 720, 863, 1294, 1726, 1941, 2588, 2589, 3235, 3452, 3882, 4315, 5176, 5178, 5823, 6470, 6904, 7764, 7767, 8630, 9705, 10352, 10356, 11646, 12940, 12945, 13808, 15528, 15534, 17260, 19410, 20712, 23292, 25880, 25890, 29115, 31056, 31068, 34520, 38820, 38835, 41424, 46584, 51760, 51780, 58230, 62136, 69040, 77640, 77670, 93168, 103560, 116460, 124272, 155280, 155340, 207120, 232920, 310680, 465840, 558361, 621360, 1116722, 1675083, 2233444, 2791805, 3350166, 4466888, 5025249, 5583610, 6700332, 8375415, 8933776, 10050498, 11167220, 13400664, 16750830, 20100996, 22334440, 25126245, 26801328, 33501660, 40201992, 44668880, 50252490, 67003320, 80403984, 100504980, 134006640, 201009960, 402019920]

約数ペア:

[(1, 402019920), (2, 201009960), (3, 134006640), (4, 100504980), (5, 80403984), (6, 67003320), (8, 50252490), (9, 44668880), (10, 40201992), (12, 33501660), (15, 26801328), (16, 25126245), (18, 22334440), (20, 20100996), (24, 16750830), (30, 13400664), (36, 11167220), (40, 10050498), (45, 8933776), (48, 8375415), (60, 6700332), (72, 5583610), (80, 5025249), (90, 4466888), (120, 3350166), (144, 2791805), (180, 2233444), (240, 1675083), (360, 1116722), (647, 621360), (720, 558361), (863, 465840), (1294, 310680), (1726, 232920), (1941, 207120), (2588, 155340), (2589, 155280), (3235, 124272), (3452, 116460), (3882, 103560), (4315, 93168), (5176, 77670), (5178, 77640), (5823, 69040), (6470, 62136), (6904, 58230), (7764, 51780), (7767, 51760), (8630, 46584), (9705, 41424), (10352, 38835), (10356, 38820), (11646, 34520), (12940, 31068), (12945, 31056), (13808, 29115), (15528, 25890), (15534, 25880), (17260, 23292), (19410, 20712)]