1987079220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{2309}}^1$

素因数の和:3014

約数の個数: 144

約数和(自身を含む): 6901614720

約数和(自身を除く): 4914535500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 683, 1260, 1366, 2049, 2309, 2732, 3415, 4098, 4618, 4781, 6147, 6830, 6927, 8196, 9236, 9562, 10245, 11545, 12294, 13660, 13854, 14343, 16163, 19124, 20490, 20781, 23090, 23905, 24588, 27708, 28686, 30735, 32326, 34635, 40980, 41562, 43029, 46180, 47810, 48489, 57372, 61470, 64652, 69270, 71715, 80815, 83124, 86058, 95620, 96978, 103905, 122940, 138540, 143430, 145467, 161630, 172116, 193956, 207810, 215145, 242445, 286860, 290934, 323260, 415620, 430290, 484890, 581868, 727335, 860580, 969780, 1454670, 1577047, 2909340, 3154094, 4731141, 6308188, 7885235, 9462282, 11039329, 14193423, 15770470, 18924564, 22078658, 23655705, 28386846, 31540940, 33117987, 44157316, 47311410, 55196645, 56773692, 66235974, 70967115, 94622820, 99353961, 110393290, 132471948, 141934230, 165589935, 198707922, 220786580, 283868460, 331179870, 397415844, 496769805, 662359740, 993539610, 1987079220]

約数ペア:

[(1, 1987079220), (2, 993539610), (3, 662359740), (4, 496769805), (5, 397415844), (6, 331179870), (7, 283868460), (9, 220786580), (10, 198707922), (12, 165589935), (14, 141934230), (15, 132471948), (18, 110393290), (20, 99353961), (21, 94622820), (28, 70967115), (30, 66235974), (35, 56773692), (36, 55196645), (42, 47311410), (45, 44157316), (60, 33117987), (63, 31540940), (70, 28386846), (84, 23655705), (90, 22078658), (105, 18924564), (126, 15770470), (140, 14193423), (180, 11039329), (210, 9462282), (252, 7885235), (315, 6308188), (420, 4731141), (630, 3154094), (683, 2909340), (1260, 1577047), (1366, 1454670), (2049, 969780), (2309, 860580), (2732, 727335), (3415, 581868), (4098, 484890), (4618, 430290), (4781, 415620), (6147, 323260), (6830, 290934), (6927, 286860), (8196, 242445), (9236, 215145), (9562, 207810), (10245, 193956), (11545, 172116), (12294, 161630), (13660, 145467), (13854, 143430), (14343, 138540), (16163, 122940), (19124, 103905), (20490, 96978), (20781, 95620), (23090, 86058), (23905, 83124), (24588, 80815), (27708, 71715), (28686, 69270), (30735, 64652), (32326, 61470), (34635, 57372), (40980, 48489), (41562, 47810), (43029, 46180)]