121407720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7607}}^1$

素因数の和:7647

約数の個数: 128

約数和(自身を含む): 438220800

約数和(自身を除く): 316813080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7607, 7980, 15214, 15960, 22821, 30428, 38035, 45642, 53249, 60856, 76070, 91284, 106498, 114105, 144533, 152140, 159747, 182568, 212996, 228210, 266245, 289066, 304280, 319494, 425992, 433599, 456420, 532490, 578132, 638988, 722665, 798735, 867198, 912840, 1011731, 1064980, 1156264, 1277976, 1445330, 1597470, 1734396, 2023462, 2129960, 2167995, 2890660, 3035193, 3194940, 3468792, 4046924, 4335990, 5058655, 5781320, 6070386, 6389880, 8093848, 8671980, 10117310, 12140772, 15175965, 17343960, 20234620, 24281544, 30351930, 40469240, 60703860, 121407720]

約数ペア:

[(1, 121407720), (2, 60703860), (3, 40469240), (4, 30351930), (5, 24281544), (6, 20234620), (7, 17343960), (8, 15175965), (10, 12140772), (12, 10117310), (14, 8671980), (15, 8093848), (19, 6389880), (20, 6070386), (21, 5781320), (24, 5058655), (28, 4335990), (30, 4046924), (35, 3468792), (38, 3194940), (40, 3035193), (42, 2890660), (56, 2167995), (57, 2129960), (60, 2023462), (70, 1734396), (76, 1597470), (84, 1445330), (95, 1277976), (105, 1156264), (114, 1064980), (120, 1011731), (133, 912840), (140, 867198), (152, 798735), (168, 722665), (190, 638988), (210, 578132), (228, 532490), (266, 456420), (280, 433599), (285, 425992), (380, 319494), (399, 304280), (420, 289066), (456, 266245), (532, 228210), (570, 212996), (665, 182568), (760, 159747), (798, 152140), (840, 144533), (1064, 114105), (1140, 106498), (1330, 91284), (1596, 76070), (1995, 60856), (2280, 53249), (2660, 45642), (3192, 38035), (3990, 30428), (5320, 22821), (7607, 15960), (7980, 15214)]