31245480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{4133}}^1$

素因数の和:4160

約数の個数: 128

約数和(自身を含む): 119059200

約数和(自身を除く): 87813720

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, 4133, 7560, 8266, 12399, 16532, 20665, 24798, 28931, 33064, 37197, 41330, 49596, 57862, 61995, 74394, 82660, 86793, 99192, 111591, 115724, 123990, 144655, 148788, 165320, 173586, 185985, 223182, 231448, 247980, 260379, 289310, 297576, 347172, 371970, 433965, 446364, 495960, 520758, 557955, 578620, 694344, 743940, 781137, 867930, 892728, 1041516, 1115910, 1157240, 1301895, 1487880, 1562274, 1735860, 2083032, 2231820, 2603790, 3124548, 3471720, 3905685, 4463640, 5207580, 6249096, 7811370, 10415160, 15622740, 31245480]

約数ペア:

[(1, 31245480), (2, 15622740), (3, 10415160), (4, 7811370), (5, 6249096), (6, 5207580), (7, 4463640), (8, 3905685), (9, 3471720), (10, 3124548), (12, 2603790), (14, 2231820), (15, 2083032), (18, 1735860), (20, 1562274), (21, 1487880), (24, 1301895), (27, 1157240), (28, 1115910), (30, 1041516), (35, 892728), (36, 867930), (40, 781137), (42, 743940), (45, 694344), (54, 578620), (56, 557955), (60, 520758), (63, 495960), (70, 446364), (72, 433965), (84, 371970), (90, 347172), (105, 297576), (108, 289310), (120, 260379), (126, 247980), (135, 231448), (140, 223182), (168, 185985), (180, 173586), (189, 165320), (210, 148788), (216, 144655), (252, 123990), (270, 115724), (280, 111591), (315, 99192), (360, 86793), (378, 82660), (420, 74394), (504, 61995), (540, 57862), (630, 49596), (756, 41330), (840, 37197), (945, 33064), (1080, 28931), (1260, 24798), (1512, 20665), (1890, 16532), (2520, 12399), (3780, 8266), (4133, 7560)]