217495040

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 160

約数和(自身を含む): 609871680

約数和(自身を除く): 392376640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 229, 256, 265, 280, 320, 371, 424, 448, 458, 512, 530, 560, 640, 742, 848, 896, 916, 1060, 1120, 1145, 1280, 1484, 1603, 1696, 1792, 1832, 1855, 2120, 2240, 2290, 2560, 2968, 3206, 3392, 3584, 3664, 3710, 4240, 4480, 4580, 5936, 6412, 6784, 7328, 7420, 8015, 8480, 8960, 9160, 11872, 12137, 12824, 13568, 14656, 14840, 16030, 16960, 17920, 18320, 23744, 24274, 25648, 27136, 29312, 29680, 32060, 33920, 36640, 47488, 48548, 51296, 58624, 59360, 60685, 64120, 67840, 73280, 84959, 94976, 97096, 102592, 117248, 118720, 121370, 128240, 135680, 146560, 169918, 189952, 194192, 205184, 237440, 242740, 256480, 293120, 339836, 388384, 410368, 424795, 474880, 485480, 512960, 586240, 679672, 776768, 820736, 849590, 949760, 970960, 1025920, 1359344, 1553536, 1699180, 1941920, 2051840, 2718688, 3107072, 3398360, 3883840, 4103680, 5437376, 6214144, 6796720, 7767680, 10874752, 13593440, 15535360, 21749504, 27186880, 31070720, 43499008, 54373760, 108747520, 217495040]

約数ペア:

[(1, 217495040), (2, 108747520), (4, 54373760), (5, 43499008), (7, 31070720), (8, 27186880), (10, 21749504), (14, 15535360), (16, 13593440), (20, 10874752), (28, 7767680), (32, 6796720), (35, 6214144), (40, 5437376), (53, 4103680), (56, 3883840), (64, 3398360), (70, 3107072), (80, 2718688), (106, 2051840), (112, 1941920), (128, 1699180), (140, 1553536), (160, 1359344), (212, 1025920), (224, 970960), (229, 949760), (256, 849590), (265, 820736), (280, 776768), (320, 679672), (371, 586240), (424, 512960), (448, 485480), (458, 474880), (512, 424795), (530, 410368), (560, 388384), (640, 339836), (742, 293120), (848, 256480), (896, 242740), (916, 237440), (1060, 205184), (1120, 194192), (1145, 189952), (1280, 169918), (1484, 146560), (1603, 135680), (1696, 128240), (1792, 121370), (1832, 118720), (1855, 117248), (2120, 102592), (2240, 97096), (2290, 94976), (2560, 84959), (2968, 73280), (3206, 67840), (3392, 64120), (3584, 60685), (3664, 59360), (3710, 58624), (4240, 51296), (4480, 48548), (4580, 47488), (5936, 36640), (6412, 33920), (6784, 32060), (7328, 29680), (7420, 29312), (8015, 27136), (8480, 25648), (8960, 24274), (9160, 23744), (11872, 18320), (12137, 17920), (12824, 16960), (13568, 16030), (14656, 14840)]