1253890680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{1423}}^1$

素因数の和:2493

約数の個数: 128

約数和(自身を含む): 4306176000

約数和(自身を除く): 3052285320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1049, 1423, 2098, 2846, 3147, 4196, 4269, 5245, 5692, 6294, 7115, 7343, 8392, 8538, 9961, 10490, 11384, 12588, 14230, 14686, 15735, 17076, 19922, 20980, 21345, 22029, 25176, 28460, 29372, 29883, 31470, 34152, 36715, 39844, 41960, 42690, 44058, 49805, 56920, 58744, 59766, 62940, 73430, 79688, 85380, 88116, 99610, 110145, 119532, 125880, 146860, 149415, 170760, 176232, 199220, 220290, 239064, 293720, 298830, 398440, 440580, 597660, 881160, 1195320, 1492727, 2985454, 4478181, 5970908, 7463635, 8956362, 10449089, 11941816, 14927270, 17912724, 20898178, 22390905, 29854540, 31347267, 35825448, 41796356, 44781810, 52245445, 59709080, 62694534, 83592712, 89563620, 104490890, 125389068, 156736335, 179127240, 208981780, 250778136, 313472670, 417963560, 626945340, 1253890680]

約数ペア:

[(1, 1253890680), (2, 626945340), (3, 417963560), (4, 313472670), (5, 250778136), (6, 208981780), (7, 179127240), (8, 156736335), (10, 125389068), (12, 104490890), (14, 89563620), (15, 83592712), (20, 62694534), (21, 59709080), (24, 52245445), (28, 44781810), (30, 41796356), (35, 35825448), (40, 31347267), (42, 29854540), (56, 22390905), (60, 20898178), (70, 17912724), (84, 14927270), (105, 11941816), (120, 10449089), (140, 8956362), (168, 7463635), (210, 5970908), (280, 4478181), (420, 2985454), (840, 1492727), (1049, 1195320), (1423, 881160), (2098, 597660), (2846, 440580), (3147, 398440), (4196, 298830), (4269, 293720), (5245, 239064), (5692, 220290), (6294, 199220), (7115, 176232), (7343, 170760), (8392, 149415), (8538, 146860), (9961, 125880), (10490, 119532), (11384, 110145), (12588, 99610), (14230, 88116), (14686, 85380), (15735, 79688), (17076, 73430), (19922, 62940), (20980, 59766), (21345, 58744), (22029, 56920), (25176, 49805), (28460, 44058), (29372, 42690), (29883, 41960), (31470, 39844), (34152, 36715)]