821928030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 256

約数和(自身を含む): 2639831040

約数和(自身を除く): 1817903010

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 61, 66, 70, 77, 95, 105, 110, 114, 122, 133, 154, 165, 183, 190, 209, 210, 231, 266, 285, 305, 307, 330, 366, 385, 399, 418, 427, 462, 570, 610, 614, 627, 665, 671, 770, 798, 854, 915, 921, 1045, 1155, 1159, 1254, 1281, 1330, 1342, 1463, 1535, 1830, 1842, 1995, 2013, 2090, 2135, 2149, 2310, 2318, 2562, 2926, 3070, 3135, 3355, 3377, 3477, 3990, 4026, 4270, 4298, 4389, 4605, 4697, 5795, 5833, 6270, 6405, 6447, 6710, 6754, 6954, 7315, 8113, 8778, 9210, 9394, 10065, 10131, 10745, 11590, 11666, 12749, 12810, 12894, 14091, 14630, 16226, 16885, 17385, 17499, 18727, 20130, 20262, 21490, 21945, 23485, 23639, 24339, 25498, 28182, 29165, 32235, 33770, 34770, 34998, 37454, 38247, 40565, 40831, 43890, 46970, 47278, 48678, 50655, 56181, 58330, 63745, 64163, 64470, 70455, 70917, 76494, 81130, 81662, 87495, 89243, 93635, 101310, 112362, 118195, 121695, 122493, 127490, 128326, 131089, 140910, 141834, 174990, 178486, 187270, 191235, 192489, 204155, 205997, 236390, 243390, 244986, 262178, 267729, 280905, 320815, 354585, 355813, 382470, 384978, 393267, 408310, 411994, 446215, 449141, 535458, 561810, 612465, 617991, 641630, 655445, 709170, 711626, 786534, 892430, 898282, 962445, 1029985, 1067439, 1224930, 1235982, 1310890, 1338645, 1347423, 1441979, 1779065, 1924890, 1966335, 2059970, 2134878, 2245705, 2490691, 2677290, 2694846, 2883958, 3089955, 3558130, 3913943, 3932670, 4325937, 4491410, 4981382, 5337195, 6179910, 6737115, 7209895, 7472073, 7827886, 8651874, 10674390, 11741829, 12453455, 13474230, 14419790, 14944146, 19569715, 21629685, 23483658, 24906910, 27397601, 37360365, 39139430, 43259370, 54795202, 58709145, 74720730, 82192803, 117418290, 136988005, 164385606, 273976010, 410964015, 821928030]

約数ペア:

[(1, 821928030), (2, 410964015), (3, 273976010), (5, 164385606), (6, 136988005), (7, 117418290), (10, 82192803), (11, 74720730), (14, 58709145), (15, 54795202), (19, 43259370), (21, 39139430), (22, 37360365), (30, 27397601), (33, 24906910), (35, 23483658), (38, 21629685), (42, 19569715), (55, 14944146), (57, 14419790), (61, 13474230), (66, 12453455), (70, 11741829), (77, 10674390), (95, 8651874), (105, 7827886), (110, 7472073), (114, 7209895), (122, 6737115), (133, 6179910), (154, 5337195), (165, 4981382), (183, 4491410), (190, 4325937), (209, 3932670), (210, 3913943), (231, 3558130), (266, 3089955), (285, 2883958), (305, 2694846), (307, 2677290), (330, 2490691), (366, 2245705), (385, 2134878), (399, 2059970), (418, 1966335), (427, 1924890), (462, 1779065), (570, 1441979), (610, 1347423), (614, 1338645), (627, 1310890), (665, 1235982), (671, 1224930), (770, 1067439), (798, 1029985), (854, 962445), (915, 898282), (921, 892430), (1045, 786534), (1155, 711626), (1159, 709170), (1254, 655445), (1281, 641630), (1330, 617991), (1342, 612465), (1463, 561810), (1535, 535458), (1830, 449141), (1842, 446215), (1995, 411994), (2013, 408310), (2090, 393267), (2135, 384978), (2149, 382470), (2310, 355813), (2318, 354585), (2562, 320815), (2926, 280905), (3070, 267729), (3135, 262178), (3355, 244986), (3377, 243390), (3477, 236390), (3990, 205997), (4026, 204155), (4270, 192489), (4298, 191235), (4389, 187270), (4605, 178486), (4697, 174990), (5795, 141834), (5833, 140910), (6270, 131089), (6405, 128326), (6447, 127490), (6710, 122493), (6754, 121695), (6954, 118195), (7315, 112362), (8113, 101310), (8778, 93635), (9210, 89243), (9394, 87495), (10065, 81662), (10131, 81130), (10745, 76494), (11590, 70917), (11666, 70455), (12749, 64470), (12810, 64163), (12894, 63745), (14091, 58330), (14630, 56181), (16226, 50655), (16885, 48678), (17385, 47278), (17499, 46970), (18727, 43890), (20130, 40831), (20262, 40565), (21490, 38247), (21945, 37454), (23485, 34998), (23639, 34770), (24339, 33770), (25498, 32235), (28182, 29165)]