18753727760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2339}}^1$

素因数の和:2497

約数の個数: 160

約数和(自身を含む): 46629872640

約数和(自身を除く): 27876144880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 61, 62, 80, 106, 122, 124, 155, 212, 244, 248, 265, 305, 310, 424, 488, 496, 530, 610, 620, 848, 976, 1060, 1220, 1240, 1643, 1891, 2120, 2339, 2440, 2480, 3233, 3286, 3782, 4240, 4678, 4880, 6466, 6572, 7564, 8215, 9356, 9455, 11695, 12932, 13144, 15128, 16165, 16430, 18712, 18910, 23390, 25864, 26288, 30256, 32330, 32860, 37424, 37820, 46780, 51728, 64660, 65720, 72509, 75640, 93560, 100223, 123967, 129320, 131440, 142679, 145018, 151280, 187120, 200446, 247934, 258640, 285358, 290036, 362545, 400892, 495868, 501115, 570716, 580072, 619835, 713395, 725090, 801784, 991736, 1002230, 1141432, 1160144, 1239670, 1426790, 1450180, 1603568, 1983472, 2004460, 2282864, 2479340, 2853580, 2900360, 3842977, 4008920, 4423049, 4958680, 5707160, 5800720, 7561987, 7685954, 8017840, 8846098, 9917360, 11414320, 15123974, 15371908, 17692196, 19214885, 22115245, 30247948, 30743816, 35384392, 37809935, 38429770, 44230490, 60495896, 61487632, 70768784, 75619870, 76859540, 88460980, 120991792, 151239740, 153719080, 176921960, 234421597, 302479480, 307438160, 353843920, 468843194, 604958960, 937686388, 1172107985, 1875372776, 2344215970, 3750745552, 4688431940, 9376863880, 18753727760]

約数ペア:

[(1, 18753727760), (2, 9376863880), (4, 4688431940), (5, 3750745552), (8, 2344215970), (10, 1875372776), (16, 1172107985), (20, 937686388), (31, 604958960), (40, 468843194), (53, 353843920), (61, 307438160), (62, 302479480), (80, 234421597), (106, 176921960), (122, 153719080), (124, 151239740), (155, 120991792), (212, 88460980), (244, 76859540), (248, 75619870), (265, 70768784), (305, 61487632), (310, 60495896), (424, 44230490), (488, 38429770), (496, 37809935), (530, 35384392), (610, 30743816), (620, 30247948), (848, 22115245), (976, 19214885), (1060, 17692196), (1220, 15371908), (1240, 15123974), (1643, 11414320), (1891, 9917360), (2120, 8846098), (2339, 8017840), (2440, 7685954), (2480, 7561987), (3233, 5800720), (3286, 5707160), (3782, 4958680), (4240, 4423049), (4678, 4008920), (4880, 3842977), (6466, 2900360), (6572, 2853580), (7564, 2479340), (8215, 2282864), (9356, 2004460), (9455, 1983472), (11695, 1603568), (12932, 1450180), (13144, 1426790), (15128, 1239670), (16165, 1160144), (16430, 1141432), (18712, 1002230), (18910, 991736), (23390, 801784), (25864, 725090), (26288, 713395), (30256, 619835), (32330, 580072), (32860, 570716), (37424, 501115), (37820, 495868), (46780, 400892), (51728, 362545), (64660, 290036), (65720, 285358), (72509, 258640), (75640, 247934), (93560, 200446), (100223, 187120), (123967, 151280), (129320, 145018), (131440, 142679)]