218555820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19273}}^1$

素因数の和:19301

約数の個数: 120

約数和(自身を含む): 783603744

約数和(自身を除く): 565047924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 19273, 38546, 57819, 77092, 96365, 115638, 134911, 173457, 192730, 231276, 269822, 289095, 346914, 385460, 404733, 520371, 539644, 578190, 674555, 693828, 809466, 867285, 1040742, 1156380, 1214199, 1349110, 1561113, 1618932, 1734570, 2023665, 2081484, 2428398, 2601855, 2698220, 3122226, 3469140, 3642597, 4047330, 4856796, 5203710, 6070995, 6244452, 7285194, 7805565, 8094660, 10407420, 10927791, 12141990, 14570388, 15611130, 18212985, 21855582, 24283980, 31222260, 36425970, 43711164, 54638955, 72851940, 109277910, 218555820]

約数ペア:

[(1, 218555820), (2, 109277910), (3, 72851940), (4, 54638955), (5, 43711164), (6, 36425970), (7, 31222260), (9, 24283980), (10, 21855582), (12, 18212985), (14, 15611130), (15, 14570388), (18, 12141990), (20, 10927791), (21, 10407420), (27, 8094660), (28, 7805565), (30, 7285194), (35, 6244452), (36, 6070995), (42, 5203710), (45, 4856796), (54, 4047330), (60, 3642597), (63, 3469140), (70, 3122226), (81, 2698220), (84, 2601855), (90, 2428398), (105, 2081484), (108, 2023665), (126, 1734570), (135, 1618932), (140, 1561113), (162, 1349110), (180, 1214199), (189, 1156380), (210, 1040742), (252, 867285), (270, 809466), (315, 693828), (324, 674555), (378, 578190), (405, 539644), (420, 520371), (540, 404733), (567, 385460), (630, 346914), (756, 289095), (810, 269822), (945, 231276), (1134, 192730), (1260, 173457), (1620, 134911), (1890, 115638), (2268, 96365), (2835, 77092), (3780, 57819), (5670, 38546), (11340, 19273)]