405148920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9957

約数の個数: 128

約数和(自身を含む): 1368852480

約数和(自身を除く): 963703560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6820, 8184, 9901, 10230, 13640, 19802, 20460, 29703, 39604, 40920, 49505, 59406, 79208, 99010, 108911, 118812, 148515, 198020, 217822, 237624, 297030, 306931, 326733, 396040, 435644, 544555, 594060, 613862, 653466, 871288, 920793, 1089110, 1188120, 1227724, 1306932, 1534655, 1633665, 1841586, 2178220, 2455448, 2613864, 3069310, 3267330, 3376241, 3683172, 4356440, 4603965, 6138620, 6534660, 6752482, 7366344, 9207930, 10128723, 12277240, 13069320, 13504964, 16881205, 18415860, 20257446, 27009928, 33762410, 36831720, 40514892, 50643615, 67524820, 81029784, 101287230, 135049640, 202574460, 405148920]

約数ペア:

[(1, 405148920), (2, 202574460), (3, 135049640), (4, 101287230), (5, 81029784), (6, 67524820), (8, 50643615), (10, 40514892), (11, 36831720), (12, 33762410), (15, 27009928), (20, 20257446), (22, 18415860), (24, 16881205), (30, 13504964), (31, 13069320), (33, 12277240), (40, 10128723), (44, 9207930), (55, 7366344), (60, 6752482), (62, 6534660), (66, 6138620), (88, 4603965), (93, 4356440), (110, 3683172), (120, 3376241), (124, 3267330), (132, 3069310), (155, 2613864), (165, 2455448), (186, 2178220), (220, 1841586), (248, 1633665), (264, 1534655), (310, 1306932), (330, 1227724), (341, 1188120), (372, 1089110), (440, 920793), (465, 871288), (620, 653466), (660, 613862), (682, 594060), (744, 544555), (930, 435644), (1023, 396040), (1240, 326733), (1320, 306931), (1364, 297030), (1705, 237624), (1860, 217822), (2046, 198020), (2728, 148515), (3410, 118812), (3720, 108911), (4092, 99010), (5115, 79208), (6820, 59406), (8184, 49505), (9901, 40920), (10230, 39604), (13640, 29703), (19802, 20460)]