31403760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 106064640

約数和(自身を除く): 74660880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 102, 120, 129, 136, 170, 172, 179, 204, 215, 240, 255, 258, 272, 340, 344, 358, 408, 430, 510, 516, 537, 645, 680, 688, 716, 731, 816, 860, 895, 1020, 1032, 1074, 1290, 1360, 1432, 1462, 1720, 1790, 2040, 2064, 2148, 2193, 2580, 2685, 2864, 2924, 3043, 3440, 3580, 3655, 4080, 4296, 4386, 5160, 5370, 5848, 6086, 7160, 7310, 7697, 8592, 8772, 9129, 10320, 10740, 10965, 11696, 12172, 14320, 14620, 15215, 15394, 17544, 18258, 21480, 21930, 23091, 24344, 29240, 30430, 30788, 35088, 36516, 38485, 42960, 43860, 45645, 46182, 48688, 58480, 60860, 61576, 73032, 76970, 87720, 91290, 92364, 115455, 121720, 123152, 130849, 146064, 153940, 175440, 182580, 184728, 230910, 243440, 261698, 307880, 365160, 369456, 392547, 461820, 523396, 615760, 654245, 730320, 785094, 923640, 1046792, 1308490, 1570188, 1847280, 1962735, 2093584, 2616980, 3140376, 3925470, 5233960, 6280752, 7850940, 10467920, 15701880, 31403760]

約数ペア:

[(1, 31403760), (2, 15701880), (3, 10467920), (4, 7850940), (5, 6280752), (6, 5233960), (8, 3925470), (10, 3140376), (12, 2616980), (15, 2093584), (16, 1962735), (17, 1847280), (20, 1570188), (24, 1308490), (30, 1046792), (34, 923640), (40, 785094), (43, 730320), (48, 654245), (51, 615760), (60, 523396), (68, 461820), (80, 392547), (85, 369456), (86, 365160), (102, 307880), (120, 261698), (129, 243440), (136, 230910), (170, 184728), (172, 182580), (179, 175440), (204, 153940), (215, 146064), (240, 130849), (255, 123152), (258, 121720), (272, 115455), (340, 92364), (344, 91290), (358, 87720), (408, 76970), (430, 73032), (510, 61576), (516, 60860), (537, 58480), (645, 48688), (680, 46182), (688, 45645), (716, 43860), (731, 42960), (816, 38485), (860, 36516), (895, 35088), (1020, 30788), (1032, 30430), (1074, 29240), (1290, 24344), (1360, 23091), (1432, 21930), (1462, 21480), (1720, 18258), (1790, 17544), (2040, 15394), (2064, 15215), (2148, 14620), (2193, 14320), (2580, 12172), (2685, 11696), (2864, 10965), (2924, 10740), (3043, 10320), (3440, 9129), (3580, 8772), (3655, 8592), (4080, 7697), (4296, 7310), (4386, 7160), (5160, 6086), (5370, 5848)]