19722960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 160

約数和(自身を含む): 71066880

約数和(自身を除く): 51343920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 397, 414, 432, 460, 540, 552, 621, 690, 720, 794, 828, 920, 1035, 1080, 1104, 1191, 1242, 1380, 1588, 1656, 1840, 1985, 2070, 2160, 2382, 2484, 2760, 3105, 3176, 3312, 3573, 3970, 4140, 4764, 4968, 5520, 5955, 6210, 6352, 7146, 7940, 8280, 9131, 9528, 9936, 10719, 11910, 12420, 14292, 15880, 16560, 17865, 18262, 19056, 21438, 23820, 24840, 27393, 28584, 31760, 35730, 36524, 42876, 45655, 47640, 49680, 53595, 54786, 57168, 71460, 73048, 82179, 85752, 91310, 95280, 107190, 109572, 136965, 142920, 146096, 164358, 171504, 182620, 214380, 219144, 246537, 273930, 285840, 328716, 365240, 410895, 428760, 438288, 493074, 547860, 657432, 730480, 821790, 857520, 986148, 1095720, 1232685, 1314864, 1643580, 1972296, 2191440, 2465370, 3287160, 3944592, 4930740, 6574320, 9861480, 19722960]

約数ペア:

[(1, 19722960), (2, 9861480), (3, 6574320), (4, 4930740), (5, 3944592), (6, 3287160), (8, 2465370), (9, 2191440), (10, 1972296), (12, 1643580), (15, 1314864), (16, 1232685), (18, 1095720), (20, 986148), (23, 857520), (24, 821790), (27, 730480), (30, 657432), (36, 547860), (40, 493074), (45, 438288), (46, 428760), (48, 410895), (54, 365240), (60, 328716), (69, 285840), (72, 273930), (80, 246537), (90, 219144), (92, 214380), (108, 182620), (115, 171504), (120, 164358), (135, 146096), (138, 142920), (144, 136965), (180, 109572), (184, 107190), (207, 95280), (216, 91310), (230, 85752), (240, 82179), (270, 73048), (276, 71460), (345, 57168), (360, 54786), (368, 53595), (397, 49680), (414, 47640), (432, 45655), (460, 42876), (540, 36524), (552, 35730), (621, 31760), (690, 28584), (720, 27393), (794, 24840), (828, 23820), (920, 21438), (1035, 19056), (1080, 18262), (1104, 17865), (1191, 16560), (1242, 15880), (1380, 14292), (1588, 12420), (1656, 11910), (1840, 10719), (1985, 9936), (2070, 9528), (2160, 9131), (2382, 8280), (2484, 7940), (2760, 7146), (3105, 6352), (3176, 6210), (3312, 5955), (3573, 5520), (3970, 4968), (4140, 4764)]