989012520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1660

約数の個数: 192

約数和(自身を含む): 3381814800

約数和(自身を除く): 2392802280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 61, 72, 87, 90, 116, 120, 122, 145, 174, 180, 183, 232, 244, 261, 290, 305, 348, 360, 366, 435, 488, 522, 549, 580, 610, 696, 732, 870, 915, 1044, 1098, 1160, 1220, 1305, 1464, 1553, 1740, 1769, 1830, 2088, 2196, 2440, 2610, 2745, 3106, 3480, 3538, 3660, 4392, 4659, 5220, 5307, 5490, 6212, 7076, 7320, 7765, 8845, 9318, 10440, 10614, 10980, 12424, 13977, 14152, 15530, 15921, 17690, 18636, 21228, 21960, 23295, 26535, 27954, 31060, 31842, 35380, 37272, 42456, 45037, 46590, 53070, 55908, 62120, 63684, 69885, 70760, 79605, 90074, 93180, 94733, 106140, 111816, 127368, 135111, 139770, 159210, 180148, 186360, 189466, 212280, 225185, 270222, 279540, 284199, 318420, 360296, 378932, 405333, 450370, 473665, 540444, 559080, 568398, 636840, 675555, 757864, 810666, 852597, 900740, 947330, 1080888, 1136796, 1351110, 1420995, 1621332, 1705194, 1801480, 1894660, 2026665, 2273592, 2702220, 2747257, 2841990, 3242664, 3410388, 3789320, 4053330, 4262985, 5404440, 5494514, 5683980, 6820776, 8106660, 8241771, 8525970, 10989028, 11367960, 13736285, 16213320, 16483542, 17051940, 21978056, 24725313, 27472570, 32967084, 34103880, 41208855, 49450626, 54945140, 65934168, 82417710, 98901252, 109890280, 123626565, 164835420, 197802504, 247253130, 329670840, 494506260, 989012520]

約数ペア:

[(1, 989012520), (2, 494506260), (3, 329670840), (4, 247253130), (5, 197802504), (6, 164835420), (8, 123626565), (9, 109890280), (10, 98901252), (12, 82417710), (15, 65934168), (18, 54945140), (20, 49450626), (24, 41208855), (29, 34103880), (30, 32967084), (36, 27472570), (40, 24725313), (45, 21978056), (58, 17051940), (60, 16483542), (61, 16213320), (72, 13736285), (87, 11367960), (90, 10989028), (116, 8525970), (120, 8241771), (122, 8106660), (145, 6820776), (174, 5683980), (180, 5494514), (183, 5404440), (232, 4262985), (244, 4053330), (261, 3789320), (290, 3410388), (305, 3242664), (348, 2841990), (360, 2747257), (366, 2702220), (435, 2273592), (488, 2026665), (522, 1894660), (549, 1801480), (580, 1705194), (610, 1621332), (696, 1420995), (732, 1351110), (870, 1136796), (915, 1080888), (1044, 947330), (1098, 900740), (1160, 852597), (1220, 810666), (1305, 757864), (1464, 675555), (1553, 636840), (1740, 568398), (1769, 559080), (1830, 540444), (2088, 473665), (2196, 450370), (2440, 405333), (2610, 378932), (2745, 360296), (3106, 318420), (3480, 284199), (3538, 279540), (3660, 270222), (4392, 225185), (4659, 212280), (5220, 189466), (5307, 186360), (5490, 180148), (6212, 159210), (7076, 139770), (7320, 135111), (7765, 127368), (8845, 111816), (9318, 106140), (10440, 94733), (10614, 93180), (10980, 90074), (12424, 79605), (13977, 70760), (14152, 69885), (15530, 63684), (15921, 62120), (17690, 55908), (18636, 53070), (21228, 46590), (21960, 45037), (23295, 42456), (26535, 37272), (27954, 35380), (31060, 31842)]