255754440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 884520000

約数和(自身を除く): 628765560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 139, 152, 171, 180, 190, 228, 269, 278, 285, 342, 360, 380, 417, 456, 538, 556, 570, 684, 695, 760, 807, 834, 855, 1076, 1112, 1140, 1251, 1345, 1368, 1390, 1614, 1668, 1710, 2085, 2152, 2280, 2421, 2502, 2641, 2690, 2780, 3228, 3336, 3420, 4035, 4170, 4842, 5004, 5111, 5282, 5380, 5560, 6255, 6456, 6840, 7923, 8070, 8340, 9684, 10008, 10222, 10564, 10760, 12105, 12510, 13205, 15333, 15846, 16140, 16680, 19368, 20444, 21128, 23769, 24210, 25020, 25555, 26410, 30666, 31692, 32280, 37391, 39615, 40888, 45999, 47538, 48420, 50040, 51110, 52820, 61332, 63384, 74782, 76665, 79230, 91998, 95076, 96840, 102220, 105640, 112173, 118845, 122664, 149564, 153330, 158460, 183996, 186955, 190152, 204440, 224346, 229995, 237690, 299128, 306660, 316920, 336519, 367992, 373910, 448692, 459990, 475380, 560865, 613320, 673038, 710429, 747820, 897384, 919980, 950760, 1121730, 1346076, 1420858, 1495640, 1682595, 1839960, 2131287, 2243460, 2692152, 2841716, 3365190, 3552145, 4262574, 4486920, 5683432, 6393861, 6730380, 7104290, 8525148, 10656435, 12787722, 13460760, 14208580, 17050296, 21312870, 25575444, 28417160, 31969305, 42625740, 51150888, 63938610, 85251480, 127877220, 255754440]

約数ペア:

[(1, 255754440), (2, 127877220), (3, 85251480), (4, 63938610), (5, 51150888), (6, 42625740), (8, 31969305), (9, 28417160), (10, 25575444), (12, 21312870), (15, 17050296), (18, 14208580), (19, 13460760), (20, 12787722), (24, 10656435), (30, 8525148), (36, 7104290), (38, 6730380), (40, 6393861), (45, 5683432), (57, 4486920), (60, 4262574), (72, 3552145), (76, 3365190), (90, 2841716), (95, 2692152), (114, 2243460), (120, 2131287), (139, 1839960), (152, 1682595), (171, 1495640), (180, 1420858), (190, 1346076), (228, 1121730), (269, 950760), (278, 919980), (285, 897384), (342, 747820), (360, 710429), (380, 673038), (417, 613320), (456, 560865), (538, 475380), (556, 459990), (570, 448692), (684, 373910), (695, 367992), (760, 336519), (807, 316920), (834, 306660), (855, 299128), (1076, 237690), (1112, 229995), (1140, 224346), (1251, 204440), (1345, 190152), (1368, 186955), (1390, 183996), (1614, 158460), (1668, 153330), (1710, 149564), (2085, 122664), (2152, 118845), (2280, 112173), (2421, 105640), (2502, 102220), (2641, 96840), (2690, 95076), (2780, 91998), (3228, 79230), (3336, 76665), (3420, 74782), (4035, 63384), (4170, 61332), (4842, 52820), (5004, 51110), (5111, 50040), (5282, 48420), (5380, 47538), (5560, 45999), (6255, 40888), (6456, 39615), (6840, 37391), (7923, 32280), (8070, 31692), (8340, 30666), (9684, 26410), (10008, 25555), (10222, 25020), (10564, 24210), (10760, 23769), (12105, 21128), (12510, 20444), (13205, 19368), (15333, 16680), (15846, 16140)]