51405480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{20399}}^1$

素因数の和:20423

約数の個数: 96

約数和(自身を含む): 190944000

約数和(自身を除く): 139538520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 20399, 40798, 61197, 81596, 101995, 122394, 142793, 163192, 183591, 203990, 244788, 285586, 305985, 367182, 407980, 428379, 489576, 571172, 611970, 713965, 734364, 815960, 856758, 917955, 1142344, 1223940, 1285137, 1427930, 1468728, 1713516, 1835910, 2141895, 2447880, 2570274, 2855860, 3427032, 3671820, 4283790, 5140548, 5711720, 6425685, 7343640, 8567580, 10281096, 12851370, 17135160, 25702740, 51405480]

約数ペア:

[(1, 51405480), (2, 25702740), (3, 17135160), (4, 12851370), (5, 10281096), (6, 8567580), (7, 7343640), (8, 6425685), (9, 5711720), (10, 5140548), (12, 4283790), (14, 3671820), (15, 3427032), (18, 2855860), (20, 2570274), (21, 2447880), (24, 2141895), (28, 1835910), (30, 1713516), (35, 1468728), (36, 1427930), (40, 1285137), (42, 1223940), (45, 1142344), (56, 917955), (60, 856758), (63, 815960), (70, 734364), (72, 713965), (84, 611970), (90, 571172), (105, 489576), (120, 428379), (126, 407980), (140, 367182), (168, 305985), (180, 285586), (210, 244788), (252, 203990), (280, 183591), (315, 163192), (360, 142793), (420, 122394), (504, 101995), (630, 81596), (840, 61197), (1260, 40798), (2520, 20399)]