521649180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3961

約数の個数: 192

約数和(自身を含む): 1840204800

約数和(自身を除く): 1318555620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 342, 351, 380, 390, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 855, 988, 1026, 1140, 1170, 1235, 1404, 1482, 1710, 1755, 2052, 2223, 2340, 2470, 2565, 2964, 3420, 3510, 3705, 3911, 4446, 4940, 5130, 6669, 7020, 7410, 7822, 8892, 10260, 11115, 11733, 13338, 14820, 15644, 19555, 22230, 23466, 26676, 33345, 35199, 39110, 44460, 46932, 50843, 58665, 66690, 70398, 74309, 78220, 101686, 105597, 117330, 133380, 140796, 148618, 152529, 175995, 203372, 211194, 222927, 234660, 254215, 297236, 305058, 351990, 371545, 422388, 445854, 457587, 508430, 527985, 610116, 668781, 703980, 743090, 762645, 891708, 915174, 966017, 1016860, 1055970, 1114635, 1337562, 1372761, 1486180, 1525290, 1830348, 1932034, 2006343, 2111940, 2229270, 2287935, 2675124, 2745522, 2898051, 3050580, 3343905, 3864068, 4012686, 4458540, 4575870, 4830085, 5491044, 5796102, 6687810, 6863805, 8025372, 8694153, 9151740, 9660170, 10031715, 11592204, 13375620, 13727610, 14490255, 17388306, 19320340, 20063430, 26082459, 27455220, 28980510, 34776612, 40126860, 43470765, 52164918, 57961020, 86941530, 104329836, 130412295, 173883060, 260824590, 521649180]

約数ペア:

[(1, 521649180), (2, 260824590), (3, 173883060), (4, 130412295), (5, 104329836), (6, 86941530), (9, 57961020), (10, 52164918), (12, 43470765), (13, 40126860), (15, 34776612), (18, 28980510), (19, 27455220), (20, 26082459), (26, 20063430), (27, 19320340), (30, 17388306), (36, 14490255), (38, 13727610), (39, 13375620), (45, 11592204), (52, 10031715), (54, 9660170), (57, 9151740), (60, 8694153), (65, 8025372), (76, 6863805), (78, 6687810), (90, 5796102), (95, 5491044), (108, 4830085), (114, 4575870), (117, 4458540), (130, 4012686), (135, 3864068), (156, 3343905), (171, 3050580), (180, 2898051), (190, 2745522), (195, 2675124), (228, 2287935), (234, 2229270), (247, 2111940), (260, 2006343), (270, 1932034), (285, 1830348), (342, 1525290), (351, 1486180), (380, 1372761), (390, 1337562), (468, 1114635), (494, 1055970), (513, 1016860), (540, 966017), (570, 915174), (585, 891708), (684, 762645), (702, 743090), (741, 703980), (780, 668781), (855, 610116), (988, 527985), (1026, 508430), (1140, 457587), (1170, 445854), (1235, 422388), (1404, 371545), (1482, 351990), (1710, 305058), (1755, 297236), (2052, 254215), (2223, 234660), (2340, 222927), (2470, 211194), (2565, 203372), (2964, 175995), (3420, 152529), (3510, 148618), (3705, 140796), (3911, 133380), (4446, 117330), (4940, 105597), (5130, 101686), (6669, 78220), (7020, 74309), (7410, 70398), (7822, 66690), (8892, 58665), (10260, 50843), (11115, 46932), (11733, 44460), (13338, 39110), (14820, 35199), (15644, 33345), (19555, 26676), (22230, 23466)]