81701490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12323}}^1$

素因数の和:12363

約数の個数: 64

約数和(自身を含む): 223606656

約数和(自身を除く): 141905166

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 12323, 24646, 36969, 61615, 73938, 123230, 160199, 184845, 209491, 320398, 369690, 418982, 480597, 628473, 800995, 961194, 1047455, 1256946, 1601990, 2094910, 2402985, 2723383, 3142365, 4805970, 5446766, 6284730, 8170149, 13616915, 16340298, 27233830, 40850745, 81701490]

約数ペア:

[(1, 81701490), (2, 40850745), (3, 27233830), (5, 16340298), (6, 13616915), (10, 8170149), (13, 6284730), (15, 5446766), (17, 4805970), (26, 3142365), (30, 2723383), (34, 2402985), (39, 2094910), (51, 1601990), (65, 1256946), (78, 1047455), (85, 961194), (102, 800995), (130, 628473), (170, 480597), (195, 418982), (221, 369690), (255, 320398), (390, 209491), (442, 184845), (510, 160199), (663, 123230), (1105, 73938), (1326, 61615), (2210, 36969), (3315, 24646), (6630, 12323)]