217616580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 144

約数和(自身を含む): 698181120

約数和(自身を除く): 480564540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 87, 90, 94, 116, 141, 145, 174, 180, 188, 235, 261, 282, 290, 348, 423, 435, 470, 522, 564, 580, 705, 846, 870, 887, 940, 1044, 1305, 1363, 1410, 1692, 1740, 1774, 2115, 2610, 2661, 2726, 2820, 3548, 4089, 4230, 4435, 5220, 5322, 5452, 6815, 7983, 8178, 8460, 8870, 10644, 12267, 13305, 13630, 15966, 16356, 17740, 20445, 24534, 25723, 26610, 27260, 31932, 39915, 40890, 41689, 49068, 51446, 53220, 61335, 77169, 79830, 81780, 83378, 102892, 122670, 125067, 128615, 154338, 159660, 166756, 208445, 231507, 245340, 250134, 257230, 308676, 375201, 385845, 416890, 463014, 500268, 514460, 625335, 750402, 771690, 833780, 926028, 1157535, 1208981, 1250670, 1500804, 1543380, 1876005, 2315070, 2417962, 2501340, 3626943, 3752010, 4630140, 4835924, 6044905, 7253886, 7504020, 10880829, 12089810, 14507772, 18134715, 21761658, 24179620, 36269430, 43523316, 54404145, 72538860, 108808290, 217616580]

約数ペア:

[(1, 217616580), (2, 108808290), (3, 72538860), (4, 54404145), (5, 43523316), (6, 36269430), (9, 24179620), (10, 21761658), (12, 18134715), (15, 14507772), (18, 12089810), (20, 10880829), (29, 7504020), (30, 7253886), (36, 6044905), (45, 4835924), (47, 4630140), (58, 3752010), (60, 3626943), (87, 2501340), (90, 2417962), (94, 2315070), (116, 1876005), (141, 1543380), (145, 1500804), (174, 1250670), (180, 1208981), (188, 1157535), (235, 926028), (261, 833780), (282, 771690), (290, 750402), (348, 625335), (423, 514460), (435, 500268), (470, 463014), (522, 416890), (564, 385845), (580, 375201), (705, 308676), (846, 257230), (870, 250134), (887, 245340), (940, 231507), (1044, 208445), (1305, 166756), (1363, 159660), (1410, 154338), (1692, 128615), (1740, 125067), (1774, 122670), (2115, 102892), (2610, 83378), (2661, 81780), (2726, 79830), (2820, 77169), (3548, 61335), (4089, 53220), (4230, 51446), (4435, 49068), (5220, 41689), (5322, 40890), (5452, 39915), (6815, 31932), (7983, 27260), (8178, 26610), (8460, 25723), (8870, 24534), (10644, 20445), (12267, 17740), (13305, 16356), (13630, 15966)]