215187120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 180

約数和(自身を含む): 749135088

約数和(自身を除く): 533947968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 311, 360, 372, 465, 496, 558, 620, 622, 720, 744, 930, 933, 961, 1116, 1240, 1244, 1395, 1488, 1555, 1860, 1866, 1922, 2232, 2480, 2488, 2790, 2799, 2883, 3110, 3720, 3732, 3844, 4464, 4665, 4805, 4976, 5580, 5598, 5766, 6220, 7440, 7464, 7688, 8649, 9330, 9610, 9641, 11160, 11196, 11532, 12440, 13995, 14415, 14928, 15376, 17298, 18660, 19220, 19282, 22320, 22392, 23064, 24880, 27990, 28830, 28923, 34596, 37320, 38440, 38564, 43245, 44784, 46128, 48205, 55980, 57660, 57846, 69192, 74640, 76880, 77128, 86490, 86769, 96410, 111960, 115320, 115692, 138384, 144615, 154256, 172980, 173538, 192820, 223920, 230640, 231384, 289230, 298871, 345960, 347076, 385640, 433845, 462768, 578460, 597742, 691920, 694152, 771280, 867690, 896613, 1156920, 1195484, 1388304, 1494355, 1735380, 1793226, 2313840, 2390968, 2689839, 2988710, 3470760, 3586452, 4483065, 4781936, 5379678, 5977420, 6941520, 7172904, 8966130, 10759356, 11954840, 13449195, 14345808, 17932260, 21518712, 23909680, 26898390, 35864520, 43037424, 53796780, 71729040, 107593560, 215187120]

約数ペア:

[(1, 215187120), (2, 107593560), (3, 71729040), (4, 53796780), (5, 43037424), (6, 35864520), (8, 26898390), (9, 23909680), (10, 21518712), (12, 17932260), (15, 14345808), (16, 13449195), (18, 11954840), (20, 10759356), (24, 8966130), (30, 7172904), (31, 6941520), (36, 5977420), (40, 5379678), (45, 4781936), (48, 4483065), (60, 3586452), (62, 3470760), (72, 2988710), (80, 2689839), (90, 2390968), (93, 2313840), (120, 1793226), (124, 1735380), (144, 1494355), (155, 1388304), (180, 1195484), (186, 1156920), (240, 896613), (248, 867690), (279, 771280), (310, 694152), (311, 691920), (360, 597742), (372, 578460), (465, 462768), (496, 433845), (558, 385640), (620, 347076), (622, 345960), (720, 298871), (744, 289230), (930, 231384), (933, 230640), (961, 223920), (1116, 192820), (1240, 173538), (1244, 172980), (1395, 154256), (1488, 144615), (1555, 138384), (1860, 115692), (1866, 115320), (1922, 111960), (2232, 96410), (2480, 86769), (2488, 86490), (2790, 77128), (2799, 76880), (2883, 74640), (3110, 69192), (3720, 57846), (3732, 57660), (3844, 55980), (4464, 48205), (4665, 46128), (4805, 44784), (4976, 43245), (5580, 38564), (5598, 38440), (5766, 37320), (6220, 34596), (7440, 28923), (7464, 28830), (7688, 27990), (8649, 24880), (9330, 23064), (9610, 22392), (9641, 22320), (11160, 19282), (11196, 19220), (11532, 18660), (12440, 17298), (13995, 15376), (14415, 14928)]