145349680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5297}}^1$

素因数の和:5331

約数の個数: 80

約数和(自身を含む): 394171200

約数和(自身を除く): 248821520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5297, 5488, 6860, 10594, 13720, 21188, 26485, 27440, 37079, 42376, 52970, 74158, 84752, 105940, 148316, 185395, 211880, 259553, 296632, 370790, 423760, 519106, 593264, 741580, 1038212, 1297765, 1483160, 1816871, 2076424, 2595530, 2966320, 3633742, 4152848, 5191060, 7267484, 9084355, 10382120, 14534968, 18168710, 20764240, 29069936, 36337420, 72674840, 145349680]

約数ペア:

[(1, 145349680), (2, 72674840), (4, 36337420), (5, 29069936), (7, 20764240), (8, 18168710), (10, 14534968), (14, 10382120), (16, 9084355), (20, 7267484), (28, 5191060), (35, 4152848), (40, 3633742), (49, 2966320), (56, 2595530), (70, 2076424), (80, 1816871), (98, 1483160), (112, 1297765), (140, 1038212), (196, 741580), (245, 593264), (280, 519106), (343, 423760), (392, 370790), (490, 296632), (560, 259553), (686, 211880), (784, 185395), (980, 148316), (1372, 105940), (1715, 84752), (1960, 74158), (2744, 52970), (3430, 42376), (3920, 37079), (5297, 27440), (5488, 26485), (6860, 21188), (10594, 13720)]