218817180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 192

約数和(自身を含む): 716688000

約数和(自身を除く): 497870820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 89, 90, 108, 116, 135, 145, 157, 174, 178, 180, 261, 267, 270, 290, 314, 348, 356, 435, 445, 471, 522, 534, 540, 580, 628, 783, 785, 801, 870, 890, 942, 1044, 1068, 1305, 1335, 1413, 1566, 1570, 1602, 1740, 1780, 1884, 2355, 2403, 2581, 2610, 2670, 2826, 3132, 3140, 3204, 3915, 4005, 4239, 4553, 4710, 4806, 5162, 5220, 5340, 5652, 7065, 7743, 7830, 8010, 8478, 9106, 9420, 9612, 10324, 12015, 12905, 13659, 13973, 14130, 15486, 15660, 16020, 16956, 18212, 21195, 22765, 23229, 24030, 25810, 27318, 27946, 28260, 30972, 38715, 40977, 41919, 42390, 45530, 46458, 48060, 51620, 54636, 55892, 68295, 69687, 69865, 77430, 81954, 83838, 84780, 91060, 92916, 116145, 122931, 125757, 136590, 139374, 139730, 154860, 163908, 167676, 204885, 209595, 232290, 245862, 251514, 273180, 278748, 279460, 348435, 377271, 405217, 409770, 419190, 464580, 491724, 503028, 614655, 628785, 696870, 754542, 810434, 819540, 838380, 1215651, 1229310, 1257570, 1393740, 1509084, 1620868, 1886355, 2026085, 2431302, 2458620, 2515140, 3646953, 3772710, 4052170, 4862604, 6078255, 7293906, 7545420, 8104340, 10940859, 12156510, 14587812, 18234765, 21881718, 24313020, 36469530, 43763436, 54704295, 72939060, 109408590, 218817180]

約数ペア:

[(1, 218817180), (2, 109408590), (3, 72939060), (4, 54704295), (5, 43763436), (6, 36469530), (9, 24313020), (10, 21881718), (12, 18234765), (15, 14587812), (18, 12156510), (20, 10940859), (27, 8104340), (29, 7545420), (30, 7293906), (36, 6078255), (45, 4862604), (54, 4052170), (58, 3772710), (60, 3646953), (87, 2515140), (89, 2458620), (90, 2431302), (108, 2026085), (116, 1886355), (135, 1620868), (145, 1509084), (157, 1393740), (174, 1257570), (178, 1229310), (180, 1215651), (261, 838380), (267, 819540), (270, 810434), (290, 754542), (314, 696870), (348, 628785), (356, 614655), (435, 503028), (445, 491724), (471, 464580), (522, 419190), (534, 409770), (540, 405217), (580, 377271), (628, 348435), (783, 279460), (785, 278748), (801, 273180), (870, 251514), (890, 245862), (942, 232290), (1044, 209595), (1068, 204885), (1305, 167676), (1335, 163908), (1413, 154860), (1566, 139730), (1570, 139374), (1602, 136590), (1740, 125757), (1780, 122931), (1884, 116145), (2355, 92916), (2403, 91060), (2581, 84780), (2610, 83838), (2670, 81954), (2826, 77430), (3132, 69865), (3140, 69687), (3204, 68295), (3915, 55892), (4005, 54636), (4239, 51620), (4553, 48060), (4710, 46458), (4806, 45530), (5162, 42390), (5220, 41919), (5340, 40977), (5652, 38715), (7065, 30972), (7743, 28260), (7830, 27946), (8010, 27318), (8478, 25810), (9106, 24030), (9420, 23229), (9612, 22765), (10324, 21195), (12015, 18212), (12905, 16956), (13659, 16020), (13973, 15660), (14130, 15486)]