308349720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{40787}}^1$

素因数の和:40814

約数の個数: 128

約数和(自身を含む): 1174694400

約数和(自身を除く): 866344680

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, 40787, 81574, 122361, 163148, 203935, 244722, 285509, 326296, 367083, 407870, 489444, 571018, 611805, 734166, 815740, 856527, 978888, 1101249, 1142036, 1223610, 1427545, 1468332, 1631480, 1713054, 1835415, 2202498, 2284072, 2447220, 2569581, 2855090, 2936664, 3426108, 3670830, 4282635, 4404996, 4894440, 5139162, 5506245, 5710180, 6852216, 7341660, 7708743, 8565270, 8809992, 10278324, 11012490, 11420360, 12847905, 14683320, 15417486, 17130540, 20556648, 22024980, 25695810, 30834972, 34261080, 38543715, 44049960, 51391620, 61669944, 77087430, 102783240, 154174860, 308349720]

約数ペア:

[(1, 308349720), (2, 154174860), (3, 102783240), (4, 77087430), (5, 61669944), (6, 51391620), (7, 44049960), (8, 38543715), (9, 34261080), (10, 30834972), (12, 25695810), (14, 22024980), (15, 20556648), (18, 17130540), (20, 15417486), (21, 14683320), (24, 12847905), (27, 11420360), (28, 11012490), (30, 10278324), (35, 8809992), (36, 8565270), (40, 7708743), (42, 7341660), (45, 6852216), (54, 5710180), (56, 5506245), (60, 5139162), (63, 4894440), (70, 4404996), (72, 4282635), (84, 3670830), (90, 3426108), (105, 2936664), (108, 2855090), (120, 2569581), (126, 2447220), (135, 2284072), (140, 2202498), (168, 1835415), (180, 1713054), (189, 1631480), (210, 1468332), (216, 1427545), (252, 1223610), (270, 1142036), (280, 1101249), (315, 978888), (360, 856527), (378, 815740), (420, 734166), (504, 611805), (540, 571018), (630, 489444), (756, 407870), (840, 367083), (945, 326296), (1080, 285509), (1260, 244722), (1512, 203935), (1890, 163148), (2520, 122361), (3780, 81574), (7560, 40787)]