304981920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 288

約数和(自身を含む): 1118033280

約数和(自身を除く): 813051360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 96, 114, 120, 142, 144, 152, 157, 160, 171, 180, 190, 213, 228, 240, 284, 285, 288, 304, 314, 342, 355, 360, 380, 426, 456, 471, 480, 568, 570, 608, 628, 639, 684, 710, 720, 760, 785, 852, 855, 912, 942, 1065, 1136, 1140, 1256, 1278, 1349, 1368, 1413, 1420, 1440, 1520, 1570, 1704, 1710, 1824, 1884, 2130, 2272, 2280, 2355, 2512, 2556, 2698, 2736, 2826, 2840, 2983, 3040, 3140, 3195, 3408, 3420, 3768, 4047, 4260, 4560, 4710, 5024, 5112, 5396, 5472, 5652, 5680, 5966, 6280, 6390, 6745, 6816, 6840, 7065, 7536, 8094, 8520, 8949, 9120, 9420, 10224, 10792, 11147, 11304, 11360, 11932, 12141, 12560, 12780, 13490, 13680, 14130, 14915, 15072, 16188, 17040, 17898, 18840, 20235, 20448, 21584, 22294, 22608, 23864, 24282, 25120, 25560, 26847, 26980, 27360, 28260, 29830, 32376, 33441, 34080, 35796, 37680, 40470, 43168, 44588, 44745, 45216, 47728, 48564, 51120, 53694, 53960, 55735, 56520, 59660, 60705, 64752, 66882, 71592, 75360, 80940, 89176, 89490, 95456, 97128, 100323, 102240, 107388, 107920, 111470, 113040, 119320, 121410, 129504, 133764, 134235, 143184, 161880, 167205, 178352, 178980, 194256, 200646, 211793, 214776, 215840, 222940, 226080, 238640, 242820, 267528, 268470, 286368, 323760, 334410, 356704, 357960, 388512, 401292, 423586, 429552, 445880, 477280, 485640, 501615, 535056, 536940, 635379, 647520, 668820, 715920, 802584, 847172, 859104, 891760, 971280, 1003230, 1058965, 1070112, 1073880, 1270758, 1337640, 1431840, 1605168, 1694344, 1783520, 1906137, 1942560, 2006460, 2117930, 2147760, 2541516, 2675280, 3176895, 3210336, 3388688, 3812274, 4012920, 4235860, 4295520, 5083032, 5350560, 6353790, 6777376, 7624548, 8025840, 8471720, 9530685, 10166064, 12707580, 15249096, 16051680, 16943440, 19061370, 20332128, 25415160, 30498192, 33886880, 38122740, 50830320, 60996384, 76245480, 101660640, 152490960, 304981920]

約数ペア:

[(1, 304981920), (2, 152490960), (3, 101660640), (4, 76245480), (5, 60996384), (6, 50830320), (8, 38122740), (9, 33886880), (10, 30498192), (12, 25415160), (15, 20332128), (16, 19061370), (18, 16943440), (19, 16051680), (20, 15249096), (24, 12707580), (30, 10166064), (32, 9530685), (36, 8471720), (38, 8025840), (40, 7624548), (45, 6777376), (48, 6353790), (57, 5350560), (60, 5083032), (71, 4295520), (72, 4235860), (76, 4012920), (80, 3812274), (90, 3388688), (95, 3210336), (96, 3176895), (114, 2675280), (120, 2541516), (142, 2147760), (144, 2117930), (152, 2006460), (157, 1942560), (160, 1906137), (171, 1783520), (180, 1694344), (190, 1605168), (213, 1431840), (228, 1337640), (240, 1270758), (284, 1073880), (285, 1070112), (288, 1058965), (304, 1003230), (314, 971280), (342, 891760), (355, 859104), (360, 847172), (380, 802584), (426, 715920), (456, 668820), (471, 647520), (480, 635379), (568, 536940), (570, 535056), (608, 501615), (628, 485640), (639, 477280), (684, 445880), (710, 429552), (720, 423586), (760, 401292), (785, 388512), (852, 357960), (855, 356704), (912, 334410), (942, 323760), (1065, 286368), (1136, 268470), (1140, 267528), (1256, 242820), (1278, 238640), (1349, 226080), (1368, 222940), (1413, 215840), (1420, 214776), (1440, 211793), (1520, 200646), (1570, 194256), (1704, 178980), (1710, 178352), (1824, 167205), (1884, 161880), (2130, 143184), (2272, 134235), (2280, 133764), (2355, 129504), (2512, 121410), (2556, 119320), (2698, 113040), (2736, 111470), (2826, 107920), (2840, 107388), (2983, 102240), (3040, 100323), (3140, 97128), (3195, 95456), (3408, 89490), (3420, 89176), (3768, 80940), (4047, 75360), (4260, 71592), (4560, 66882), (4710, 64752), (5024, 60705), (5112, 59660), (5396, 56520), (5472, 55735), (5652, 53960), (5680, 53694), (5966, 51120), (6280, 48564), (6390, 47728), (6745, 45216), (6816, 44745), (6840, 44588), (7065, 43168), (7536, 40470), (8094, 37680), (8520, 35796), (8949, 34080), (9120, 33441), (9420, 32376), (10224, 29830), (10792, 28260), (11147, 27360), (11304, 26980), (11360, 26847), (11932, 25560), (12141, 25120), (12560, 24282), (12780, 23864), (13490, 22608), (13680, 22294), (14130, 21584), (14915, 20448), (15072, 20235), (16188, 18840), (17040, 17898)]