161302920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 504852480

約数和(自身を除く): 343549560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 131, 155, 186, 248, 262, 310, 331, 372, 393, 465, 524, 620, 655, 662, 744, 786, 930, 993, 1048, 1240, 1310, 1324, 1572, 1655, 1860, 1965, 1986, 2620, 2648, 3144, 3310, 3720, 3930, 3972, 4061, 4965, 5240, 6620, 7860, 7944, 8122, 9930, 10261, 12183, 13240, 15720, 16244, 19860, 20305, 20522, 24366, 30783, 32488, 39720, 40610, 41044, 43361, 48732, 51305, 60915, 61566, 81220, 82088, 86722, 97464, 102610, 121830, 123132, 130083, 153915, 162440, 173444, 205220, 216805, 243660, 246264, 260166, 307830, 346888, 410440, 433610, 487320, 520332, 615660, 650415, 867220, 1040664, 1231320, 1300830, 1344191, 1734440, 2601660, 2688382, 4032573, 5203320, 5376764, 6720955, 8065146, 10753528, 13441910, 16130292, 20162865, 26883820, 32260584, 40325730, 53767640, 80651460, 161302920]

約数ペア:

[(1, 161302920), (2, 80651460), (3, 53767640), (4, 40325730), (5, 32260584), (6, 26883820), (8, 20162865), (10, 16130292), (12, 13441910), (15, 10753528), (20, 8065146), (24, 6720955), (30, 5376764), (31, 5203320), (40, 4032573), (60, 2688382), (62, 2601660), (93, 1734440), (120, 1344191), (124, 1300830), (131, 1231320), (155, 1040664), (186, 867220), (248, 650415), (262, 615660), (310, 520332), (331, 487320), (372, 433610), (393, 410440), (465, 346888), (524, 307830), (620, 260166), (655, 246264), (662, 243660), (744, 216805), (786, 205220), (930, 173444), (993, 162440), (1048, 153915), (1240, 130083), (1310, 123132), (1324, 121830), (1572, 102610), (1655, 97464), (1860, 86722), (1965, 82088), (1986, 81220), (2620, 61566), (2648, 60915), (3144, 51305), (3310, 48732), (3720, 43361), (3930, 41044), (3972, 40610), (4061, 39720), (4965, 32488), (5240, 30783), (6620, 24366), (7860, 20522), (7944, 20305), (8122, 19860), (9930, 16244), (10261, 15720), (12183, 13240)]