287926380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 288

約数和(自身を含む): 1085575680

約数和(自身を除く): 797649300

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, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 211, 228, 252, 266, 270, 285, 315, 342, 361, 378, 380, 399, 420, 422, 513, 532, 540, 570, 630, 633, 665, 684, 722, 756, 798, 844, 855, 945, 1026, 1055, 1083, 1140, 1197, 1260, 1266, 1330, 1444, 1477, 1596, 1710, 1805, 1890, 1899, 1995, 2052, 2110, 2166, 2394, 2527, 2532, 2565, 2660, 2954, 3165, 3249, 3420, 3591, 3610, 3780, 3798, 3990, 4009, 4220, 4332, 4431, 4788, 5054, 5130, 5415, 5697, 5908, 5985, 6330, 6498, 7182, 7220, 7385, 7581, 7596, 7980, 8018, 8862, 9495, 9747, 10108, 10260, 10830, 11394, 11970, 12027, 12635, 12660, 12996, 13293, 14364, 14770, 15162, 16036, 16245, 17724, 17955, 18990, 19494, 20045, 21660, 22155, 22743, 22788, 23940, 24054, 25270, 26586, 28063, 28485, 29540, 30324, 32490, 35910, 36081, 37905, 37980, 38988, 39879, 40090, 44310, 45486, 48108, 48735, 50540, 53172, 56126, 56970, 60135, 64980, 66465, 68229, 71820, 72162, 75810, 76171, 79758, 80180, 84189, 88620, 90972, 97470, 108243, 112252, 113715, 113940, 120270, 132930, 136458, 140315, 144324, 151620, 152342, 159516, 168378, 180405, 194940, 199395, 216486, 227430, 228513, 240540, 252567, 265860, 272916, 280630, 304684, 336756, 341145, 360810, 380855, 398790, 420945, 432972, 454860, 457026, 505134, 533197, 541215, 561260, 682290, 685539, 721620, 757701, 761710, 797580, 841890, 914052, 1010268, 1066394, 1082430, 1142565, 1262835, 1364580, 1371078, 1515402, 1523420, 1599591, 1683780, 2056617, 2132788, 2164860, 2285130, 2525670, 2665985, 2742156, 3030804, 3199182, 3427695, 3788505, 4113234, 4570260, 4798773, 5051340, 5331970, 6398364, 6855390, 7577010, 7997955, 8226468, 9597546, 10283085, 10663940, 13710780, 14396319, 15154020, 15995910, 19195092, 20566170, 23993865, 28792638, 31991820, 41132340, 47987730, 57585276, 71981595, 95975460, 143963190, 287926380]

約数ペア:

[(1, 287926380), (2, 143963190), (3, 95975460), (4, 71981595), (5, 57585276), (6, 47987730), (7, 41132340), (9, 31991820), (10, 28792638), (12, 23993865), (14, 20566170), (15, 19195092), (18, 15995910), (19, 15154020), (20, 14396319), (21, 13710780), (27, 10663940), (28, 10283085), (30, 9597546), (35, 8226468), (36, 7997955), (38, 7577010), (42, 6855390), (45, 6398364), (54, 5331970), (57, 5051340), (60, 4798773), (63, 4570260), (70, 4113234), (76, 3788505), (84, 3427695), (90, 3199182), (95, 3030804), (105, 2742156), (108, 2665985), (114, 2525670), (126, 2285130), (133, 2164860), (135, 2132788), (140, 2056617), (171, 1683780), (180, 1599591), (189, 1523420), (190, 1515402), (210, 1371078), (211, 1364580), (228, 1262835), (252, 1142565), (266, 1082430), (270, 1066394), (285, 1010268), (315, 914052), (342, 841890), (361, 797580), (378, 761710), (380, 757701), (399, 721620), (420, 685539), (422, 682290), (513, 561260), (532, 541215), (540, 533197), (570, 505134), (630, 457026), (633, 454860), (665, 432972), (684, 420945), (722, 398790), (756, 380855), (798, 360810), (844, 341145), (855, 336756), (945, 304684), (1026, 280630), (1055, 272916), (1083, 265860), (1140, 252567), (1197, 240540), (1260, 228513), (1266, 227430), (1330, 216486), (1444, 199395), (1477, 194940), (1596, 180405), (1710, 168378), (1805, 159516), (1890, 152342), (1899, 151620), (1995, 144324), (2052, 140315), (2110, 136458), (2166, 132930), (2394, 120270), (2527, 113940), (2532, 113715), (2565, 112252), (2660, 108243), (2954, 97470), (3165, 90972), (3249, 88620), (3420, 84189), (3591, 80180), (3610, 79758), (3780, 76171), (3798, 75810), (3990, 72162), (4009, 71820), (4220, 68229), (4332, 66465), (4431, 64980), (4788, 60135), (5054, 56970), (5130, 56126), (5415, 53172), (5697, 50540), (5908, 48735), (5985, 48108), (6330, 45486), (6498, 44310), (7182, 40090), (7220, 39879), (7385, 38988), (7581, 37980), (7596, 37905), (7980, 36081), (8018, 35910), (8862, 32490), (9495, 30324), (9747, 29540), (10108, 28485), (10260, 28063), (10830, 26586), (11394, 25270), (11970, 24054), (12027, 23940), (12635, 22788), (12660, 22743), (12996, 22155), (13293, 21660), (14364, 20045), (14770, 19494), (15162, 18990), (16036, 17955), (16245, 17724)]