878427180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 240

約数和(自身を含む): 2868687360

約数和(自身を除く): 1990260180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 83, 90, 94, 108, 135, 139, 141, 162, 166, 180, 188, 235, 249, 270, 278, 282, 324, 332, 405, 415, 417, 423, 470, 498, 540, 556, 564, 695, 705, 747, 810, 830, 834, 846, 940, 996, 1245, 1251, 1269, 1390, 1410, 1494, 1620, 1660, 1668, 1692, 2085, 2115, 2241, 2490, 2502, 2538, 2780, 2820, 2988, 3735, 3753, 3807, 3901, 4170, 4230, 4482, 4980, 5004, 5076, 6255, 6345, 6533, 6723, 7470, 7506, 7614, 7802, 8340, 8460, 8964, 11205, 11259, 11537, 11703, 12510, 12690, 13066, 13446, 14940, 15012, 15228, 15604, 18765, 19035, 19505, 19599, 22410, 22518, 23074, 23406, 25020, 25380, 26132, 26892, 32665, 33615, 34611, 35109, 37530, 38070, 39010, 39198, 44820, 45036, 46148, 46812, 56295, 57685, 58515, 58797, 65330, 67230, 69222, 70218, 75060, 76140, 78020, 78396, 97995, 103833, 105327, 112590, 115370, 117030, 117594, 130660, 134460, 138444, 140436, 173055, 175545, 176391, 195990, 207666, 210654, 225180, 230740, 234060, 235188, 293985, 311499, 315981, 346110, 351090, 352782, 391980, 415332, 421308, 519165, 526635, 529173, 542239, 587970, 622998, 631962, 692220, 702180, 705564, 881955, 934497, 1038330, 1053270, 1058346, 1084478, 1175940, 1245996, 1263924, 1557495, 1579905, 1626717, 1763910, 1868994, 2076660, 2106540, 2116692, 2168956, 2645865, 2711195, 3114990, 3159810, 3253434, 3527820, 3737988, 4672485, 4880151, 5291730, 5422390, 6229980, 6319620, 6506868, 8133585, 9344970, 9760302, 10583460, 10844780, 14640453, 16267170, 18689940, 19520604, 24400755, 29280906, 32534340, 43921359, 48801510, 58561812, 73202265, 87842718, 97603020, 146404530, 175685436, 219606795, 292809060, 439213590, 878427180]

約数ペア:

[(1, 878427180), (2, 439213590), (3, 292809060), (4, 219606795), (5, 175685436), (6, 146404530), (9, 97603020), (10, 87842718), (12, 73202265), (15, 58561812), (18, 48801510), (20, 43921359), (27, 32534340), (30, 29280906), (36, 24400755), (45, 19520604), (47, 18689940), (54, 16267170), (60, 14640453), (81, 10844780), (83, 10583460), (90, 9760302), (94, 9344970), (108, 8133585), (135, 6506868), (139, 6319620), (141, 6229980), (162, 5422390), (166, 5291730), (180, 4880151), (188, 4672485), (235, 3737988), (249, 3527820), (270, 3253434), (278, 3159810), (282, 3114990), (324, 2711195), (332, 2645865), (405, 2168956), (415, 2116692), (417, 2106540), (423, 2076660), (470, 1868994), (498, 1763910), (540, 1626717), (556, 1579905), (564, 1557495), (695, 1263924), (705, 1245996), (747, 1175940), (810, 1084478), (830, 1058346), (834, 1053270), (846, 1038330), (940, 934497), (996, 881955), (1245, 705564), (1251, 702180), (1269, 692220), (1390, 631962), (1410, 622998), (1494, 587970), (1620, 542239), (1660, 529173), (1668, 526635), (1692, 519165), (2085, 421308), (2115, 415332), (2241, 391980), (2490, 352782), (2502, 351090), (2538, 346110), (2780, 315981), (2820, 311499), (2988, 293985), (3735, 235188), (3753, 234060), (3807, 230740), (3901, 225180), (4170, 210654), (4230, 207666), (4482, 195990), (4980, 176391), (5004, 175545), (5076, 173055), (6255, 140436), (6345, 138444), (6533, 134460), (6723, 130660), (7470, 117594), (7506, 117030), (7614, 115370), (7802, 112590), (8340, 105327), (8460, 103833), (8964, 97995), (11205, 78396), (11259, 78020), (11537, 76140), (11703, 75060), (12510, 70218), (12690, 69222), (13066, 67230), (13446, 65330), (14940, 58797), (15012, 58515), (15228, 57685), (15604, 56295), (18765, 46812), (19035, 46148), (19505, 45036), (19599, 44820), (22410, 39198), (22518, 39010), (23074, 38070), (23406, 37530), (25020, 35109), (25380, 34611), (26132, 33615), (26892, 32665)]