90352980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 298771200

約数和(自身を除く): 208418220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 855, 870, 911, 1044, 1102, 1140, 1305, 1653, 1710, 1740, 1822, 2204, 2610, 2733, 2755, 3306, 3420, 3644, 4555, 4959, 5220, 5466, 5510, 6612, 8199, 8265, 9110, 9918, 10932, 11020, 13665, 16398, 16530, 17309, 18220, 19836, 24795, 26419, 27330, 32796, 33060, 34618, 40995, 49590, 51927, 52838, 54660, 69236, 79257, 81990, 86545, 99180, 103854, 105676, 132095, 155781, 158514, 163980, 173090, 207708, 237771, 259635, 264190, 311562, 317028, 346180, 396285, 475542, 501961, 519270, 528380, 623124, 778905, 792570, 951084, 1003922, 1038540, 1188855, 1505883, 1557810, 1585140, 2007844, 2377710, 2509805, 3011766, 3115620, 4517649, 4755420, 5019610, 6023532, 7529415, 9035298, 10039220, 15058830, 18070596, 22588245, 30117660, 45176490, 90352980]

約数ペア:

[(1, 90352980), (2, 45176490), (3, 30117660), (4, 22588245), (5, 18070596), (6, 15058830), (9, 10039220), (10, 9035298), (12, 7529415), (15, 6023532), (18, 5019610), (19, 4755420), (20, 4517649), (29, 3115620), (30, 3011766), (36, 2509805), (38, 2377710), (45, 2007844), (57, 1585140), (58, 1557810), (60, 1505883), (76, 1188855), (87, 1038540), (90, 1003922), (95, 951084), (114, 792570), (116, 778905), (145, 623124), (171, 528380), (174, 519270), (180, 501961), (190, 475542), (228, 396285), (261, 346180), (285, 317028), (290, 311562), (342, 264190), (348, 259635), (380, 237771), (435, 207708), (522, 173090), (551, 163980), (570, 158514), (580, 155781), (684, 132095), (855, 105676), (870, 103854), (911, 99180), (1044, 86545), (1102, 81990), (1140, 79257), (1305, 69236), (1653, 54660), (1710, 52838), (1740, 51927), (1822, 49590), (2204, 40995), (2610, 34618), (2733, 33060), (2755, 32796), (3306, 27330), (3420, 26419), (3644, 24795), (4555, 19836), (4959, 18220), (5220, 17309), (5466, 16530), (5510, 16398), (6612, 13665), (8199, 11020), (8265, 10932), (9110, 9918)]