1780454988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{5233}}^1$

素因数の和:5983

約数の個数: 72

約数和(自身を含む): 4854388448

約数和(自身を除く): 3073933460

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 727, 1454, 2181, 2908, 4362, 5233, 6543, 8724, 9451, 10466, 13086, 15699, 18902, 20932, 26172, 28353, 31398, 37804, 47097, 56706, 62796, 68029, 85059, 94194, 113412, 136058, 170118, 188388, 204087, 272116, 340236, 408174, 612261, 816348, 1224522, 2449044, 3804391, 7608782, 11413173, 15217564, 22826346, 34239519, 45652692, 49457083, 68479038, 98914166, 136958076, 148371249, 197828332, 296742498, 445113747, 593484996, 890227494, 1780454988]

約数ペア:

[(1, 1780454988), (2, 890227494), (3, 593484996), (4, 445113747), (6, 296742498), (9, 197828332), (12, 148371249), (13, 136958076), (18, 98914166), (26, 68479038), (36, 49457083), (39, 45652692), (52, 34239519), (78, 22826346), (117, 15217564), (156, 11413173), (234, 7608782), (468, 3804391), (727, 2449044), (1454, 1224522), (2181, 816348), (2908, 612261), (4362, 408174), (5233, 340236), (6543, 272116), (8724, 204087), (9451, 188388), (10466, 170118), (13086, 136058), (15699, 113412), (18902, 94194), (20932, 85059), (26172, 68029), (28353, 62796), (31398, 56706), (37804, 47097)]