123401520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15581}}^1$

素因数の和:15611

約数の個数: 120

約数和(自身を含む): 452127312

約数和(自身を除く): 328725792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 15581, 31162, 46743, 62324, 77905, 93486, 124648, 140229, 155810, 171391, 186972, 233715, 249296, 280458, 311620, 342782, 373944, 467430, 514173, 560916, 623240, 685564, 701145, 747888, 856955, 934860, 1028346, 1121832, 1246480, 1371128, 1402290, 1542519, 1713910, 1869720, 2056692, 2243664, 2570865, 2742256, 2804580, 3085038, 3427820, 3739440, 4113384, 5141730, 5609160, 6170076, 6855640, 7712595, 8226768, 10283460, 11218320, 12340152, 13711280, 15425190, 20566920, 24680304, 30850380, 41133840, 61700760, 123401520]

約数ペア:

[(1, 123401520), (2, 61700760), (3, 41133840), (4, 30850380), (5, 24680304), (6, 20566920), (8, 15425190), (9, 13711280), (10, 12340152), (11, 11218320), (12, 10283460), (15, 8226768), (16, 7712595), (18, 6855640), (20, 6170076), (22, 5609160), (24, 5141730), (30, 4113384), (33, 3739440), (36, 3427820), (40, 3085038), (44, 2804580), (45, 2742256), (48, 2570865), (55, 2243664), (60, 2056692), (66, 1869720), (72, 1713910), (80, 1542519), (88, 1402290), (90, 1371128), (99, 1246480), (110, 1121832), (120, 1028346), (132, 934860), (144, 856955), (165, 747888), (176, 701145), (180, 685564), (198, 623240), (220, 560916), (240, 514173), (264, 467430), (330, 373944), (360, 342782), (396, 311620), (440, 280458), (495, 249296), (528, 233715), (660, 186972), (720, 171391), (792, 155810), (880, 140229), (990, 124648), (1320, 93486), (1584, 77905), (1980, 62324), (2640, 46743), (3960, 31162), (7920, 15581)]