181489140

素因数分解:

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

素因数の和:89

約数の個数: 288

約数和(自身を含む): 693302400

約数和(自身を除く): 511813260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 361, 378, 380, 399, 420, 441, 490, 513, 532, 540, 570, 588, 630, 665, 684, 722, 735, 756, 798, 855, 882, 931, 945, 980, 1026, 1083, 1140, 1197, 1260, 1323, 1330, 1444, 1470, 1596, 1710, 1764, 1805, 1862, 1890, 1995, 2052, 2166, 2205, 2394, 2527, 2565, 2646, 2660, 2793, 2940, 3249, 3420, 3591, 3610, 3724, 3780, 3990, 4332, 4410, 4655, 4788, 5054, 5130, 5292, 5415, 5586, 5985, 6498, 6615, 6859, 7182, 7220, 7581, 7980, 8379, 8820, 9310, 9747, 10108, 10260, 10830, 11172, 11970, 12635, 12996, 13230, 13718, 13965, 14364, 15162, 16245, 16758, 17689, 17955, 18620, 19494, 20577, 21660, 22743, 23940, 25137, 25270, 26460, 27436, 27930, 30324, 32490, 33516, 34295, 35378, 35910, 37905, 38988, 41154, 41895, 45486, 48013, 48735, 50274, 50540, 53067, 55860, 61731, 64980, 68229, 68590, 70756, 71820, 75810, 82308, 83790, 88445, 90972, 96026, 97470, 100548, 102885, 106134, 113715, 123462, 125685, 136458, 137180, 144039, 151620, 159201, 167580, 176890, 185193, 192052, 194940, 205770, 212268, 227430, 240065, 246924, 251370, 265335, 272916, 288078, 308655, 318402, 336091, 341145, 353780, 370386, 411540, 432117, 454860, 477603, 480130, 502740, 530670, 576156, 617310, 636804, 672182, 682290, 720195, 740772, 796005, 864234, 925965, 955206, 960260, 1008273, 1061340, 1234620, 1296351, 1344364, 1364580, 1440390, 1592010, 1680455, 1728468, 1851930, 1910412, 2016546, 2160585, 2388015, 2592702, 2880780, 3024819, 3184020, 3360910, 3703860, 4033092, 4321170, 4776030, 5041365, 5185404, 6049638, 6481755, 6721820, 8642340, 9074457, 9552060, 10082730, 12099276, 12963510, 15124095, 18148914, 20165460, 25927020, 30248190, 36297828, 45372285, 60496380, 90744570, 181489140]

約数ペア:

[(1, 181489140), (2, 90744570), (3, 60496380), (4, 45372285), (5, 36297828), (6, 30248190), (7, 25927020), (9, 20165460), (10, 18148914), (12, 15124095), (14, 12963510), (15, 12099276), (18, 10082730), (19, 9552060), (20, 9074457), (21, 8642340), (27, 6721820), (28, 6481755), (30, 6049638), (35, 5185404), (36, 5041365), (38, 4776030), (42, 4321170), (45, 4033092), (49, 3703860), (54, 3360910), (57, 3184020), (60, 3024819), (63, 2880780), (70, 2592702), (76, 2388015), (84, 2160585), (90, 2016546), (95, 1910412), (98, 1851930), (105, 1728468), (108, 1680455), (114, 1592010), (126, 1440390), (133, 1364580), (135, 1344364), (140, 1296351), (147, 1234620), (171, 1061340), (180, 1008273), (189, 960260), (190, 955206), (196, 925965), (210, 864234), (228, 796005), (245, 740772), (252, 720195), (266, 682290), (270, 672182), (285, 636804), (294, 617310), (315, 576156), (342, 530670), (361, 502740), (378, 480130), (380, 477603), (399, 454860), (420, 432117), (441, 411540), (490, 370386), (513, 353780), (532, 341145), (540, 336091), (570, 318402), (588, 308655), (630, 288078), (665, 272916), (684, 265335), (722, 251370), (735, 246924), (756, 240065), (798, 227430), (855, 212268), (882, 205770), (931, 194940), (945, 192052), (980, 185193), (1026, 176890), (1083, 167580), (1140, 159201), (1197, 151620), (1260, 144039), (1323, 137180), (1330, 136458), (1444, 125685), (1470, 123462), (1596, 113715), (1710, 106134), (1764, 102885), (1805, 100548), (1862, 97470), (1890, 96026), (1995, 90972), (2052, 88445), (2166, 83790), (2205, 82308), (2394, 75810), (2527, 71820), (2565, 70756), (2646, 68590), (2660, 68229), (2793, 64980), (2940, 61731), (3249, 55860), (3420, 53067), (3591, 50540), (3610, 50274), (3724, 48735), (3780, 48013), (3990, 45486), (4332, 41895), (4410, 41154), (4655, 38988), (4788, 37905), (5054, 35910), (5130, 35378), (5292, 34295), (5415, 33516), (5586, 32490), (5985, 30324), (6498, 27930), (6615, 27436), (6859, 26460), (7182, 25270), (7220, 25137), (7581, 23940), (7980, 22743), (8379, 21660), (8820, 20577), (9310, 19494), (9747, 18620), (10108, 17955), (10260, 17689), (10830, 16758), (11172, 16245), (11970, 15162), (12635, 14364), (12996, 13965), (13230, 13718)]