188940240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1077

約数の個数: 120

約数和(自身を含む): 637084968

約数和(自身を除く): 448144728

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, 397, 661, 720, 794, 1191, 1322, 1588, 1983, 1985, 2382, 2644, 3176, 3305, 3573, 3966, 3970, 4764, 5288, 5949, 5955, 6352, 6610, 7146, 7932, 7940, 9528, 9915, 10576, 11898, 11910, 13220, 14292, 15864, 15880, 17865, 19056, 19830, 23796, 23820, 26440, 28584, 29745, 31728, 31760, 35730, 39660, 47592, 47640, 52880, 57168, 59490, 71460, 79320, 95184, 95280, 118980, 142920, 158640, 237960, 262417, 285840, 475920, 524834, 787251, 1049668, 1312085, 1574502, 2099336, 2361753, 2624170, 3149004, 3936255, 4198672, 4723506, 5248340, 6298008, 7872510, 9447012, 10496680, 11808765, 12596016, 15745020, 18894024, 20993360, 23617530, 31490040, 37788048, 47235060, 62980080, 94470120, 188940240]

約数ペア:

[(1, 188940240), (2, 94470120), (3, 62980080), (4, 47235060), (5, 37788048), (6, 31490040), (8, 23617530), (9, 20993360), (10, 18894024), (12, 15745020), (15, 12596016), (16, 11808765), (18, 10496680), (20, 9447012), (24, 7872510), (30, 6298008), (36, 5248340), (40, 4723506), (45, 4198672), (48, 3936255), (60, 3149004), (72, 2624170), (80, 2361753), (90, 2099336), (120, 1574502), (144, 1312085), (180, 1049668), (240, 787251), (360, 524834), (397, 475920), (661, 285840), (720, 262417), (794, 237960), (1191, 158640), (1322, 142920), (1588, 118980), (1983, 95280), (1985, 95184), (2382, 79320), (2644, 71460), (3176, 59490), (3305, 57168), (3573, 52880), (3966, 47640), (3970, 47592), (4764, 39660), (5288, 35730), (5949, 31760), (5955, 31728), (6352, 29745), (6610, 28584), (7146, 26440), (7932, 23820), (7940, 23796), (9528, 19830), (9915, 19056), (10576, 17865), (11898, 15880), (11910, 15864), (13220, 14292)]