72997920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 251439552

約数和(自身を除く): 178441632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 163, 180, 240, 288, 311, 326, 360, 480, 489, 622, 652, 720, 815, 933, 978, 1244, 1304, 1440, 1467, 1555, 1630, 1866, 1956, 2445, 2488, 2608, 2799, 2934, 3110, 3260, 3732, 3912, 4665, 4890, 4976, 5216, 5598, 5868, 6220, 6520, 7335, 7464, 7824, 9330, 9780, 9952, 11196, 11736, 12440, 13040, 13995, 14670, 14928, 15648, 18660, 19560, 22392, 23472, 24880, 26080, 27990, 29340, 29856, 37320, 39120, 44784, 46944, 49760, 50693, 55980, 58680, 74640, 78240, 89568, 101386, 111960, 117360, 149280, 152079, 202772, 223920, 234720, 253465, 304158, 405544, 447840, 456237, 506930, 608316, 760395, 811088, 912474, 1013860, 1216632, 1520790, 1622176, 1824948, 2027720, 2281185, 2433264, 3041580, 3649896, 4055440, 4562370, 4866528, 6083160, 7299792, 8110880, 9124740, 12166320, 14599584, 18249480, 24332640, 36498960, 72997920]

約数ペア:

[(1, 72997920), (2, 36498960), (3, 24332640), (4, 18249480), (5, 14599584), (6, 12166320), (8, 9124740), (9, 8110880), (10, 7299792), (12, 6083160), (15, 4866528), (16, 4562370), (18, 4055440), (20, 3649896), (24, 3041580), (30, 2433264), (32, 2281185), (36, 2027720), (40, 1824948), (45, 1622176), (48, 1520790), (60, 1216632), (72, 1013860), (80, 912474), (90, 811088), (96, 760395), (120, 608316), (144, 506930), (160, 456237), (163, 447840), (180, 405544), (240, 304158), (288, 253465), (311, 234720), (326, 223920), (360, 202772), (480, 152079), (489, 149280), (622, 117360), (652, 111960), (720, 101386), (815, 89568), (933, 78240), (978, 74640), (1244, 58680), (1304, 55980), (1440, 50693), (1467, 49760), (1555, 46944), (1630, 44784), (1866, 39120), (1956, 37320), (2445, 29856), (2488, 29340), (2608, 27990), (2799, 26080), (2934, 24880), (3110, 23472), (3260, 22392), (3732, 19560), (3912, 18660), (4665, 15648), (4890, 14928), (4976, 14670), (5216, 13995), (5598, 13040), (5868, 12440), (6220, 11736), (6520, 11196), (7335, 9952), (7464, 9780), (7824, 9330)]