78836480

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3623}}^1$

素因数の和:3661

約数の個数: 72

約数和(自身を含む): 200001312

約数和(自身を除く): 121164832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3623, 4352, 5440, 7246, 10880, 14492, 18115, 21760, 28984, 36230, 57968, 61591, 72460, 115936, 123182, 144920, 231872, 246364, 289840, 307955, 463744, 492728, 579680, 615910, 927488, 985456, 1159360, 1231820, 1970912, 2318720, 2463640, 3941824, 4637440, 4927280, 7883648, 9854560, 15767296, 19709120, 39418240, 78836480]

約数ペア:

[(1, 78836480), (2, 39418240), (4, 19709120), (5, 15767296), (8, 9854560), (10, 7883648), (16, 4927280), (17, 4637440), (20, 3941824), (32, 2463640), (34, 2318720), (40, 1970912), (64, 1231820), (68, 1159360), (80, 985456), (85, 927488), (128, 615910), (136, 579680), (160, 492728), (170, 463744), (256, 307955), (272, 289840), (320, 246364), (340, 231872), (544, 144920), (640, 123182), (680, 115936), (1088, 72460), (1280, 61591), (1360, 57968), (2176, 36230), (2720, 28984), (3623, 21760), (4352, 18115), (5440, 14492), (7246, 10880)]