80499420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 278087040

約数和(自身を除く): 197587620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 37, 45, 51, 54, 60, 68, 74, 79, 81, 85, 90, 102, 108, 111, 135, 148, 153, 158, 162, 170, 180, 185, 204, 222, 237, 255, 270, 306, 316, 324, 333, 340, 370, 395, 405, 444, 459, 474, 510, 540, 555, 612, 629, 666, 711, 740, 765, 790, 810, 918, 948, 999, 1020, 1110, 1185, 1258, 1332, 1343, 1377, 1422, 1530, 1580, 1620, 1665, 1836, 1887, 1998, 2133, 2220, 2295, 2370, 2516, 2686, 2754, 2844, 2923, 2997, 3060, 3145, 3330, 3555, 3774, 3996, 4029, 4266, 4590, 4740, 4995, 5372, 5508, 5661, 5846, 5994, 6290, 6399, 6660, 6715, 6885, 7110, 7548, 8058, 8532, 8769, 9180, 9435, 9990, 10665, 11322, 11692, 11988, 12087, 12580, 12798, 13430, 13770, 14220, 14615, 14985, 16116, 16983, 17538, 18870, 19980, 20145, 21330, 22644, 24174, 25596, 26307, 26860, 27540, 28305, 29230, 29970, 31995, 33966, 35076, 36261, 37740, 40290, 42660, 43845, 48348, 49691, 50949, 52614, 56610, 58460, 59940, 60435, 63990, 67932, 72522, 78921, 80580, 84915, 87690, 99382, 101898, 105228, 108783, 113220, 120870, 127980, 131535, 145044, 149073, 157842, 169830, 175380, 181305, 198764, 203796, 217566, 236763, 241740, 248455, 254745, 263070, 298146, 315684, 339660, 362610, 394605, 435132, 447219, 473526, 496910, 509490, 526140, 543915, 596292, 725220, 745365, 789210, 894438, 947052, 993820, 1018980, 1087830, 1183815, 1341657, 1490730, 1578420, 1788876, 2175660, 2236095, 2367630, 2683314, 2981460, 4024971, 4472190, 4735260, 5366628, 6708285, 8049942, 8944380, 13416570, 16099884, 20124855, 26833140, 40249710, 80499420]

約数ペア:

[(1, 80499420), (2, 40249710), (3, 26833140), (4, 20124855), (5, 16099884), (6, 13416570), (9, 8944380), (10, 8049942), (12, 6708285), (15, 5366628), (17, 4735260), (18, 4472190), (20, 4024971), (27, 2981460), (30, 2683314), (34, 2367630), (36, 2236095), (37, 2175660), (45, 1788876), (51, 1578420), (54, 1490730), (60, 1341657), (68, 1183815), (74, 1087830), (79, 1018980), (81, 993820), (85, 947052), (90, 894438), (102, 789210), (108, 745365), (111, 725220), (135, 596292), (148, 543915), (153, 526140), (158, 509490), (162, 496910), (170, 473526), (180, 447219), (185, 435132), (204, 394605), (222, 362610), (237, 339660), (255, 315684), (270, 298146), (306, 263070), (316, 254745), (324, 248455), (333, 241740), (340, 236763), (370, 217566), (395, 203796), (405, 198764), (444, 181305), (459, 175380), (474, 169830), (510, 157842), (540, 149073), (555, 145044), (612, 131535), (629, 127980), (666, 120870), (711, 113220), (740, 108783), (765, 105228), (790, 101898), (810, 99382), (918, 87690), (948, 84915), (999, 80580), (1020, 78921), (1110, 72522), (1185, 67932), (1258, 63990), (1332, 60435), (1343, 59940), (1377, 58460), (1422, 56610), (1530, 52614), (1580, 50949), (1620, 49691), (1665, 48348), (1836, 43845), (1887, 42660), (1998, 40290), (2133, 37740), (2220, 36261), (2295, 35076), (2370, 33966), (2516, 31995), (2686, 29970), (2754, 29230), (2844, 28305), (2923, 27540), (2997, 26860), (3060, 26307), (3145, 25596), (3330, 24174), (3555, 22644), (3774, 21330), (3996, 20145), (4029, 19980), (4266, 18870), (4590, 17538), (4740, 16983), (4995, 16116), (5372, 14985), (5508, 14615), (5661, 14220), (5846, 13770), (5994, 13430), (6290, 12798), (6399, 12580), (6660, 12087), (6715, 11988), (6885, 11692), (7110, 11322), (7548, 10665), (8058, 9990), (8532, 9435), (8769, 9180)]