1954161720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{258487}}^1$

素因数の和:258514

約数の個数: 128

約数和(自身を含む): 7444454400

約数和(自身を除く): 5490292680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 258487, 516974, 775461, 1033948, 1292435, 1550922, 1809409, 2067896, 2326383, 2584870, 3101844, 3618818, 3877305, 4652766, 5169740, 5428227, 6203688, 6979149, 7237636, 7754610, 9047045, 9305532, 10339480, 10856454, 11631915, 13958298, 14475272, 15509220, 16284681, 18094090, 18611064, 21712908, 23263830, 27141135, 27916596, 31018440, 32569362, 34895745, 36188180, 43425816, 46527660, 48854043, 54282270, 55833192, 65138724, 69791490, 72376360, 81423405, 93055320, 97708086, 108564540, 130277448, 139582980, 162846810, 195416172, 217129080, 244270215, 279165960, 325693620, 390832344, 488540430, 651387240, 977080860, 1954161720]

約数ペア:

[(1, 1954161720), (2, 977080860), (3, 651387240), (4, 488540430), (5, 390832344), (6, 325693620), (7, 279165960), (8, 244270215), (9, 217129080), (10, 195416172), (12, 162846810), (14, 139582980), (15, 130277448), (18, 108564540), (20, 97708086), (21, 93055320), (24, 81423405), (27, 72376360), (28, 69791490), (30, 65138724), (35, 55833192), (36, 54282270), (40, 48854043), (42, 46527660), (45, 43425816), (54, 36188180), (56, 34895745), (60, 32569362), (63, 31018440), (70, 27916596), (72, 27141135), (84, 23263830), (90, 21712908), (105, 18611064), (108, 18094090), (120, 16284681), (126, 15509220), (135, 14475272), (140, 13958298), (168, 11631915), (180, 10856454), (189, 10339480), (210, 9305532), (216, 9047045), (252, 7754610), (270, 7237636), (280, 6979149), (315, 6203688), (360, 5428227), (378, 5169740), (420, 4652766), (504, 3877305), (540, 3618818), (630, 3101844), (756, 2584870), (840, 2326383), (945, 2067896), (1080, 1809409), (1260, 1550922), (1512, 1292435), (1890, 1033948), (2520, 775461), (3780, 516974), (7560, 258487)]