18806580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 68302080

約数和(自身を除く): 49495500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 47, 52, 54, 57, 60, 65, 76, 78, 81, 90, 94, 95, 108, 114, 117, 130, 135, 141, 156, 162, 171, 180, 188, 190, 195, 228, 234, 235, 247, 260, 270, 282, 285, 324, 342, 351, 380, 390, 405, 423, 468, 470, 494, 513, 540, 564, 570, 585, 611, 684, 702, 705, 741, 780, 810, 846, 855, 893, 940, 988, 1026, 1053, 1140, 1170, 1222, 1235, 1269, 1404, 1410, 1482, 1539, 1620, 1692, 1710, 1755, 1786, 1833, 2052, 2106, 2115, 2223, 2340, 2444, 2470, 2538, 2565, 2679, 2820, 2964, 3055, 3078, 3420, 3510, 3572, 3666, 3705, 3807, 4212, 4230, 4446, 4465, 4940, 5076, 5130, 5265, 5358, 5499, 6110, 6156, 6345, 6669, 7020, 7332, 7410, 7614, 7695, 8037, 8460, 8892, 8930, 9165, 10260, 10530, 10716, 10998, 11115, 11609, 12220, 12690, 13338, 13395, 14820, 15228, 15390, 16074, 16497, 17860, 18330, 19035, 20007, 21060, 21996, 22230, 23218, 24111, 25380, 26676, 26790, 27495, 30780, 32148, 32994, 33345, 34827, 36660, 38070, 40014, 40185, 44460, 46436, 48222, 49491, 53580, 54990, 58045, 65988, 66690, 69654, 72333, 76140, 80028, 80370, 82485, 96444, 98982, 100035, 104481, 109980, 116090, 120555, 133380, 139308, 144666, 160740, 164970, 174135, 197964, 200070, 208962, 232180, 241110, 247455, 289332, 313443, 329940, 348270, 361665, 400140, 417924, 482220, 494910, 522405, 626886, 696540, 723330, 940329, 989820, 1044810, 1253772, 1446660, 1567215, 1880658, 2089620, 3134430, 3761316, 4701645, 6268860, 9403290, 18806580]

約数ペア:

[(1, 18806580), (2, 9403290), (3, 6268860), (4, 4701645), (5, 3761316), (6, 3134430), (9, 2089620), (10, 1880658), (12, 1567215), (13, 1446660), (15, 1253772), (18, 1044810), (19, 989820), (20, 940329), (26, 723330), (27, 696540), (30, 626886), (36, 522405), (38, 494910), (39, 482220), (45, 417924), (47, 400140), (52, 361665), (54, 348270), (57, 329940), (60, 313443), (65, 289332), (76, 247455), (78, 241110), (81, 232180), (90, 208962), (94, 200070), (95, 197964), (108, 174135), (114, 164970), (117, 160740), (130, 144666), (135, 139308), (141, 133380), (156, 120555), (162, 116090), (171, 109980), (180, 104481), (188, 100035), (190, 98982), (195, 96444), (228, 82485), (234, 80370), (235, 80028), (247, 76140), (260, 72333), (270, 69654), (282, 66690), (285, 65988), (324, 58045), (342, 54990), (351, 53580), (380, 49491), (390, 48222), (405, 46436), (423, 44460), (468, 40185), (470, 40014), (494, 38070), (513, 36660), (540, 34827), (564, 33345), (570, 32994), (585, 32148), (611, 30780), (684, 27495), (702, 26790), (705, 26676), (741, 25380), (780, 24111), (810, 23218), (846, 22230), (855, 21996), (893, 21060), (940, 20007), (988, 19035), (1026, 18330), (1053, 17860), (1140, 16497), (1170, 16074), (1222, 15390), (1235, 15228), (1269, 14820), (1404, 13395), (1410, 13338), (1482, 12690), (1539, 12220), (1620, 11609), (1692, 11115), (1710, 10998), (1755, 10716), (1786, 10530), (1833, 10260), (2052, 9165), (2106, 8930), (2115, 8892), (2223, 8460), (2340, 8037), (2444, 7695), (2470, 7614), (2538, 7410), (2565, 7332), (2679, 7020), (2820, 6669), (2964, 6345), (3055, 6156), (3078, 6110), (3420, 5499), (3510, 5358), (3572, 5265), (3666, 5130), (3705, 5076), (3807, 4940), (4212, 4465), (4230, 4446)]