397287720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1019}}^1$

素因数の和:1077

約数の個数: 192

約数和(自身を含む): 1399032000

約数和(自身を除く): 1001744280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 361, 380, 456, 513, 540, 570, 684, 722, 760, 855, 1019, 1026, 1080, 1083, 1140, 1368, 1444, 1710, 1805, 2038, 2052, 2166, 2280, 2565, 2888, 3057, 3249, 3420, 3610, 4076, 4104, 4332, 5095, 5130, 5415, 6114, 6498, 6840, 7220, 8152, 8664, 9171, 9747, 10190, 10260, 10830, 12228, 12996, 14440, 15285, 16245, 18342, 19361, 19494, 20380, 20520, 21660, 24456, 25992, 27513, 30570, 32490, 36684, 38722, 38988, 40760, 43320, 45855, 48735, 55026, 58083, 61140, 64980, 73368, 77444, 77976, 91710, 96805, 97470, 110052, 116166, 122280, 129960, 137565, 154888, 174249, 183420, 193610, 194940, 220104, 232332, 275130, 290415, 348498, 366840, 367859, 387220, 389880, 464664, 522747, 550260, 580830, 696996, 735718, 774440, 871245, 1045494, 1100520, 1103577, 1161660, 1393992, 1471436, 1742490, 1839295, 2090988, 2207154, 2323320, 2613735, 2942872, 3310731, 3484980, 3678590, 4181976, 4414308, 5227470, 5517885, 6621462, 6969960, 7357180, 8828616, 9932193, 10454940, 11035770, 13242924, 14714360, 16553655, 19864386, 20909880, 22071540, 26485848, 33107310, 39728772, 44143080, 49660965, 66214620, 79457544, 99321930, 132429240, 198643860, 397287720]

約数ペア:

[(1, 397287720), (2, 198643860), (3, 132429240), (4, 99321930), (5, 79457544), (6, 66214620), (8, 49660965), (9, 44143080), (10, 39728772), (12, 33107310), (15, 26485848), (18, 22071540), (19, 20909880), (20, 19864386), (24, 16553655), (27, 14714360), (30, 13242924), (36, 11035770), (38, 10454940), (40, 9932193), (45, 8828616), (54, 7357180), (57, 6969960), (60, 6621462), (72, 5517885), (76, 5227470), (90, 4414308), (95, 4181976), (108, 3678590), (114, 3484980), (120, 3310731), (135, 2942872), (152, 2613735), (171, 2323320), (180, 2207154), (190, 2090988), (216, 1839295), (228, 1742490), (270, 1471436), (285, 1393992), (342, 1161660), (360, 1103577), (361, 1100520), (380, 1045494), (456, 871245), (513, 774440), (540, 735718), (570, 696996), (684, 580830), (722, 550260), (760, 522747), (855, 464664), (1019, 389880), (1026, 387220), (1080, 367859), (1083, 366840), (1140, 348498), (1368, 290415), (1444, 275130), (1710, 232332), (1805, 220104), (2038, 194940), (2052, 193610), (2166, 183420), (2280, 174249), (2565, 154888), (2888, 137565), (3057, 129960), (3249, 122280), (3420, 116166), (3610, 110052), (4076, 97470), (4104, 96805), (4332, 91710), (5095, 77976), (5130, 77444), (5415, 73368), (6114, 64980), (6498, 61140), (6840, 58083), (7220, 55026), (8152, 48735), (8664, 45855), (9171, 43320), (9747, 40760), (10190, 38988), (10260, 38722), (10830, 36684), (12228, 32490), (12996, 30570), (14440, 27513), (15285, 25992), (16245, 24456), (18342, 21660), (19361, 20520), (19494, 20380)]