20123123760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{5407}}^1$

素因数の和:7152

約数の個数: 160

約数和(自身を含む): 69366036480

約数和(自身を除く): 49242912720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1723, 2160, 3446, 5169, 5407, 6892, 8615, 10338, 10814, 13784, 15507, 16221, 17230, 20676, 21628, 25845, 27035, 27568, 31014, 32442, 34460, 41352, 43256, 46521, 48663, 51690, 54070, 62028, 64884, 68920, 77535, 81105, 82704, 86512, 93042, 97326, 103380, 108140, 124056, 129768, 137840, 145989, 155070, 162210, 186084, 194652, 206760, 216280, 232605, 243315, 248112, 259536, 291978, 310140, 324420, 372168, 389304, 413520, 432560, 465210, 486630, 583956, 620280, 648840, 729945, 744336, 778608, 930420, 973260, 1167912, 1240560, 1297680, 1459890, 1860840, 1946520, 2335824, 2919780, 3721680, 3893040, 5839560, 9316261, 11679120, 18632522, 27948783, 37265044, 46581305, 55897566, 74530088, 83846349, 93162610, 111795132, 139743915, 149060176, 167692698, 186325220, 223590264, 251539047, 279487830, 335385396, 372650440, 419231745, 447180528, 503078094, 558975660, 670770792, 745300880, 838463490, 1006156188, 1117951320, 1257695235, 1341541584, 1676926980, 2012312376, 2235902640, 2515390470, 3353853960, 4024624752, 5030780940, 6707707920, 10061561880, 20123123760]

約数ペア:

[(1, 20123123760), (2, 10061561880), (3, 6707707920), (4, 5030780940), (5, 4024624752), (6, 3353853960), (8, 2515390470), (9, 2235902640), (10, 2012312376), (12, 1676926980), (15, 1341541584), (16, 1257695235), (18, 1117951320), (20, 1006156188), (24, 838463490), (27, 745300880), (30, 670770792), (36, 558975660), (40, 503078094), (45, 447180528), (48, 419231745), (54, 372650440), (60, 335385396), (72, 279487830), (80, 251539047), (90, 223590264), (108, 186325220), (120, 167692698), (135, 149060176), (144, 139743915), (180, 111795132), (216, 93162610), (240, 83846349), (270, 74530088), (360, 55897566), (432, 46581305), (540, 37265044), (720, 27948783), (1080, 18632522), (1723, 11679120), (2160, 9316261), (3446, 5839560), (5169, 3893040), (5407, 3721680), (6892, 2919780), (8615, 2335824), (10338, 1946520), (10814, 1860840), (13784, 1459890), (15507, 1297680), (16221, 1240560), (17230, 1167912), (20676, 973260), (21628, 930420), (25845, 778608), (27035, 744336), (27568, 729945), (31014, 648840), (32442, 620280), (34460, 583956), (41352, 486630), (43256, 465210), (46521, 432560), (48663, 413520), (51690, 389304), (54070, 372168), (62028, 324420), (64884, 310140), (68920, 291978), (77535, 259536), (81105, 248112), (82704, 243315), (86512, 232605), (93042, 216280), (97326, 206760), (103380, 194652), (108140, 186084), (124056, 162210), (129768, 155070), (137840, 145989)]