81541920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8941}}^1$

素因数の和:8978

約数の個数: 96

約数和(自身を含む): 270406080

約数和(自身を除く): 188864160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 8941, 9120, 17882, 26823, 35764, 44705, 53646, 71528, 89410, 107292, 134115, 143056, 169879, 178820, 214584, 268230, 286112, 339758, 357640, 429168, 509637, 536460, 679516, 715280, 849395, 858336, 1019274, 1072920, 1359032, 1430560, 1698790, 2038548, 2145840, 2548185, 2718064, 3397580, 4077096, 4291680, 5096370, 5436128, 6795160, 8154192, 10192740, 13590320, 16308384, 20385480, 27180640, 40770960, 81541920]

約数ペア:

[(1, 81541920), (2, 40770960), (3, 27180640), (4, 20385480), (5, 16308384), (6, 13590320), (8, 10192740), (10, 8154192), (12, 6795160), (15, 5436128), (16, 5096370), (19, 4291680), (20, 4077096), (24, 3397580), (30, 2718064), (32, 2548185), (38, 2145840), (40, 2038548), (48, 1698790), (57, 1430560), (60, 1359032), (76, 1072920), (80, 1019274), (95, 858336), (96, 849395), (114, 715280), (120, 679516), (152, 536460), (160, 509637), (190, 429168), (228, 357640), (240, 339758), (285, 286112), (304, 268230), (380, 214584), (456, 178820), (480, 169879), (570, 143056), (608, 134115), (760, 107292), (912, 89410), (1140, 71528), (1520, 53646), (1824, 44705), (2280, 35764), (3040, 26823), (4560, 17882), (8941, 9120)]