121155440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 120

約数和(自身を含む): 338585472

約数和(自身を除く): 217430032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 997, 1085, 1240, 1519, 1736, 1960, 1994, 2170, 2480, 3038, 3472, 3920, 3988, 4340, 4985, 6076, 6979, 7595, 7976, 8680, 9970, 12152, 13958, 15190, 15952, 17360, 19940, 24304, 27916, 30380, 30907, 34895, 39880, 48853, 55832, 60760, 61814, 69790, 79760, 97706, 111664, 121520, 123628, 139580, 154535, 195412, 216349, 244265, 247256, 279160, 309070, 390824, 432698, 488530, 494512, 558320, 618140, 781648, 865396, 977060, 1081745, 1236280, 1514443, 1730792, 1954120, 2163490, 2472560, 3028886, 3461584, 3908240, 4326980, 6057772, 7572215, 8653960, 12115544, 15144430, 17307920, 24231088, 30288860, 60577720, 121155440]

約数ペア:

[(1, 121155440), (2, 60577720), (4, 30288860), (5, 24231088), (7, 17307920), (8, 15144430), (10, 12115544), (14, 8653960), (16, 7572215), (20, 6057772), (28, 4326980), (31, 3908240), (35, 3461584), (40, 3028886), (49, 2472560), (56, 2163490), (62, 1954120), (70, 1730792), (80, 1514443), (98, 1236280), (112, 1081745), (124, 977060), (140, 865396), (155, 781648), (196, 618140), (217, 558320), (245, 494512), (248, 488530), (280, 432698), (310, 390824), (392, 309070), (434, 279160), (490, 247256), (496, 244265), (560, 216349), (620, 195412), (784, 154535), (868, 139580), (980, 123628), (997, 121520), (1085, 111664), (1240, 97706), (1519, 79760), (1736, 69790), (1960, 61814), (1994, 60760), (2170, 55832), (2480, 48853), (3038, 39880), (3472, 34895), (3920, 30907), (3988, 30380), (4340, 27916), (4985, 24304), (6076, 19940), (6979, 17360), (7595, 15952), (7976, 15190), (8680, 13958), (9970, 12152)]