25101720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1423}}^1$

素因数の和:1454

約数の個数: 144

約数和(自身を含む): 94966560

約数和(自身を除く): 69864840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1423, 1470, 1764, 1960, 2205, 2520, 2846, 2940, 3528, 4269, 4410, 5692, 5880, 7115, 8538, 8820, 9961, 11384, 12807, 14230, 17076, 17640, 19922, 21345, 25614, 28460, 29883, 34152, 39844, 42690, 49805, 51228, 56920, 59766, 64035, 69727, 79688, 85380, 89649, 99610, 102456, 119532, 128070, 139454, 149415, 170760, 179298, 199220, 209181, 239064, 256140, 278908, 298830, 348635, 358596, 398440, 418362, 448245, 512280, 557816, 597660, 627543, 697270, 717192, 836724, 896490, 1045905, 1195320, 1255086, 1394540, 1673448, 1792980, 2091810, 2510172, 2789080, 3137715, 3585960, 4183620, 5020344, 6275430, 8367240, 12550860, 25101720]

約数ペア:

[(1, 25101720), (2, 12550860), (3, 8367240), (4, 6275430), (5, 5020344), (6, 4183620), (7, 3585960), (8, 3137715), (9, 2789080), (10, 2510172), (12, 2091810), (14, 1792980), (15, 1673448), (18, 1394540), (20, 1255086), (21, 1195320), (24, 1045905), (28, 896490), (30, 836724), (35, 717192), (36, 697270), (40, 627543), (42, 597660), (45, 557816), (49, 512280), (56, 448245), (60, 418362), (63, 398440), (70, 358596), (72, 348635), (84, 298830), (90, 278908), (98, 256140), (105, 239064), (120, 209181), (126, 199220), (140, 179298), (147, 170760), (168, 149415), (180, 139454), (196, 128070), (210, 119532), (245, 102456), (252, 99610), (280, 89649), (294, 85380), (315, 79688), (360, 69727), (392, 64035), (420, 59766), (441, 56920), (490, 51228), (504, 49805), (588, 42690), (630, 39844), (735, 34152), (840, 29883), (882, 28460), (980, 25614), (1176, 21345), (1260, 19922), (1423, 17640), (1470, 17076), (1764, 14230), (1960, 12807), (2205, 11384), (2520, 9961), (2846, 8820), (2940, 8538), (3528, 7115), (4269, 5880), (4410, 5692)]