261899280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21397}}^1$

素因数の和:21433

約数の個数: 120

約数和(自身を含む): 931326552

約数和(自身を除く): 669427272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 21397, 42794, 64191, 85588, 106985, 128382, 171176, 192573, 213970, 256764, 320955, 342352, 363749, 385146, 427940, 513528, 641910, 727498, 770292, 855880, 962865, 1027056, 1091247, 1283820, 1454996, 1540584, 1711760, 1818745, 1925730, 2182494, 2567640, 2909992, 3081168, 3273741, 3637490, 3851460, 4364988, 5135280, 5456235, 5819984, 6547482, 7274980, 7702920, 8729976, 10912470, 13094964, 14549960, 15405840, 16368705, 17459952, 21824940, 26189928, 29099920, 32737410, 43649880, 52379856, 65474820, 87299760, 130949640, 261899280]

約数ペア:

[(1, 261899280), (2, 130949640), (3, 87299760), (4, 65474820), (5, 52379856), (6, 43649880), (8, 32737410), (9, 29099920), (10, 26189928), (12, 21824940), (15, 17459952), (16, 16368705), (17, 15405840), (18, 14549960), (20, 13094964), (24, 10912470), (30, 8729976), (34, 7702920), (36, 7274980), (40, 6547482), (45, 5819984), (48, 5456235), (51, 5135280), (60, 4364988), (68, 3851460), (72, 3637490), (80, 3273741), (85, 3081168), (90, 2909992), (102, 2567640), (120, 2182494), (136, 1925730), (144, 1818745), (153, 1711760), (170, 1540584), (180, 1454996), (204, 1283820), (240, 1091247), (255, 1027056), (272, 962865), (306, 855880), (340, 770292), (360, 727498), (408, 641910), (510, 513528), (612, 427940), (680, 385146), (720, 363749), (765, 342352), (816, 320955), (1020, 256764), (1224, 213970), (1360, 192573), (1530, 171176), (2040, 128382), (2448, 106985), (3060, 85588), (4080, 64191), (6120, 42794), (12240, 21397)]