28315710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54628290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 31, 34, 45, 51, 54, 62, 85, 90, 93, 102, 135, 153, 155, 170, 186, 199, 255, 270, 279, 306, 310, 398, 459, 465, 510, 527, 558, 597, 765, 837, 918, 930, 995, 1054, 1194, 1395, 1530, 1581, 1674, 1791, 1990, 2295, 2635, 2790, 2985, 3162, 3383, 3582, 4185, 4590, 4743, 5270, 5373, 5970, 6169, 6766, 7905, 8370, 8955, 9486, 10149, 10746, 12338, 14229, 15810, 16915, 17910, 18507, 20298, 23715, 26865, 28458, 30447, 30845, 33830, 37014, 47430, 50745, 53730, 55521, 60894, 61690, 71145, 91341, 92535, 101490, 104873, 111042, 142290, 152235, 166563, 182682, 185070, 209746, 277605, 304470, 314619, 333126, 456705, 524365, 555210, 629238, 832815, 913410, 943857, 1048730, 1573095, 1665630, 1887714, 2831571, 3146190, 4719285, 5663142, 9438570, 14157855, 28315710]

約数ペア:

[(1, 28315710), (2, 14157855), (3, 9438570), (5, 5663142), (6, 4719285), (9, 3146190), (10, 2831571), (15, 1887714), (17, 1665630), (18, 1573095), (27, 1048730), (30, 943857), (31, 913410), (34, 832815), (45, 629238), (51, 555210), (54, 524365), (62, 456705), (85, 333126), (90, 314619), (93, 304470), (102, 277605), (135, 209746), (153, 185070), (155, 182682), (170, 166563), (186, 152235), (199, 142290), (255, 111042), (270, 104873), (279, 101490), (306, 92535), (310, 91341), (398, 71145), (459, 61690), (465, 60894), (510, 55521), (527, 53730), (558, 50745), (597, 47430), (765, 37014), (837, 33830), (918, 30845), (930, 30447), (995, 28458), (1054, 26865), (1194, 23715), (1395, 20298), (1530, 18507), (1581, 17910), (1674, 16915), (1791, 15810), (1990, 14229), (2295, 12338), (2635, 10746), (2790, 10149), (2985, 9486), (3162, 8955), (3383, 8370), (3582, 7905), (4185, 6766), (4590, 6169), (4743, 5970), (5270, 5373)]