245155440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:527

約数の個数: 160

約数和(自身を含む): 795949056

約数和(自身を除く): 550793616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 83, 93, 120, 124, 155, 166, 186, 240, 248, 249, 310, 332, 372, 397, 415, 465, 496, 498, 620, 664, 744, 794, 830, 930, 996, 1191, 1240, 1245, 1328, 1488, 1588, 1660, 1860, 1985, 1992, 2382, 2480, 2490, 2573, 3176, 3320, 3720, 3970, 3984, 4764, 4980, 5146, 5955, 6352, 6640, 7440, 7719, 7940, 9528, 9960, 10292, 11910, 12307, 12865, 15438, 15880, 19056, 19920, 20584, 23820, 24614, 25730, 30876, 31760, 32951, 36921, 38595, 41168, 47640, 49228, 51460, 61535, 61752, 65902, 73842, 77190, 95280, 98456, 98853, 102920, 123070, 123504, 131804, 147684, 154380, 164755, 184605, 196912, 197706, 205840, 246140, 263608, 295368, 308760, 329510, 369210, 395412, 492280, 494265, 527216, 590736, 617520, 659020, 738420, 790824, 984560, 988530, 1021481, 1318040, 1476840, 1581648, 1977060, 2042962, 2636080, 2953680, 3064443, 3954120, 4085924, 5107405, 6128886, 7908240, 8171848, 10214810, 12257772, 15322215, 16343696, 20429620, 24515544, 30644430, 40859240, 49031088, 61288860, 81718480, 122577720, 245155440]

約数ペア:

[(1, 245155440), (2, 122577720), (3, 81718480), (4, 61288860), (5, 49031088), (6, 40859240), (8, 30644430), (10, 24515544), (12, 20429620), (15, 16343696), (16, 15322215), (20, 12257772), (24, 10214810), (30, 8171848), (31, 7908240), (40, 6128886), (48, 5107405), (60, 4085924), (62, 3954120), (80, 3064443), (83, 2953680), (93, 2636080), (120, 2042962), (124, 1977060), (155, 1581648), (166, 1476840), (186, 1318040), (240, 1021481), (248, 988530), (249, 984560), (310, 790824), (332, 738420), (372, 659020), (397, 617520), (415, 590736), (465, 527216), (496, 494265), (498, 492280), (620, 395412), (664, 369210), (744, 329510), (794, 308760), (830, 295368), (930, 263608), (996, 246140), (1191, 205840), (1240, 197706), (1245, 196912), (1328, 184605), (1488, 164755), (1588, 154380), (1660, 147684), (1860, 131804), (1985, 123504), (1992, 123070), (2382, 102920), (2480, 98853), (2490, 98456), (2573, 95280), (3176, 77190), (3320, 73842), (3720, 65902), (3970, 61752), (3984, 61535), (4764, 51460), (4980, 49228), (5146, 47640), (5955, 41168), (6352, 38595), (6640, 36921), (7440, 32951), (7719, 31760), (7940, 30876), (9528, 25730), (9960, 24614), (10292, 23820), (11910, 20584), (12307, 19920), (12865, 19056), (15438, 15880)]