280383480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 989745120

約数和(自身を除く): 709361640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 181, 195, 234, 260, 312, 331, 360, 362, 390, 468, 520, 543, 585, 662, 724, 780, 905, 936, 993, 1086, 1170, 1324, 1448, 1560, 1629, 1655, 1810, 1986, 2172, 2340, 2353, 2648, 2715, 2979, 3258, 3310, 3620, 3972, 4303, 4344, 4680, 4706, 4965, 5430, 5958, 6516, 6620, 7059, 7240, 7944, 8145, 8606, 9412, 9930, 10860, 11765, 11916, 12909, 13032, 13240, 14118, 14895, 16290, 17212, 18824, 19860, 21177, 21515, 21720, 23530, 23832, 25818, 28236, 29790, 32580, 34424, 35295, 38727, 39720, 42354, 43030, 47060, 51636, 56472, 59580, 59911, 64545, 65160, 70590, 77454, 84708, 86060, 94120, 103272, 105885, 119160, 119822, 129090, 141180, 154908, 169416, 172120, 179733, 193635, 211770, 239644, 258180, 282360, 299555, 309816, 359466, 387270, 423540, 479288, 516360, 539199, 599110, 718932, 774540, 778843, 847080, 898665, 1078398, 1198220, 1437864, 1549080, 1557686, 1797330, 2156796, 2336529, 2396440, 2695995, 3115372, 3594660, 3894215, 4313592, 4673058, 5391990, 6230744, 7009587, 7189320, 7788430, 9346116, 10783980, 11682645, 14019174, 15576860, 18692232, 21567960, 23365290, 28038348, 31153720, 35047935, 46730580, 56076696, 70095870, 93461160, 140191740, 280383480]

約数ペア:

[(1, 280383480), (2, 140191740), (3, 93461160), (4, 70095870), (5, 56076696), (6, 46730580), (8, 35047935), (9, 31153720), (10, 28038348), (12, 23365290), (13, 21567960), (15, 18692232), (18, 15576860), (20, 14019174), (24, 11682645), (26, 10783980), (30, 9346116), (36, 7788430), (39, 7189320), (40, 7009587), (45, 6230744), (52, 5391990), (60, 4673058), (65, 4313592), (72, 3894215), (78, 3594660), (90, 3115372), (104, 2695995), (117, 2396440), (120, 2336529), (130, 2156796), (156, 1797330), (180, 1557686), (181, 1549080), (195, 1437864), (234, 1198220), (260, 1078398), (312, 898665), (331, 847080), (360, 778843), (362, 774540), (390, 718932), (468, 599110), (520, 539199), (543, 516360), (585, 479288), (662, 423540), (724, 387270), (780, 359466), (905, 309816), (936, 299555), (993, 282360), (1086, 258180), (1170, 239644), (1324, 211770), (1448, 193635), (1560, 179733), (1629, 172120), (1655, 169416), (1810, 154908), (1986, 141180), (2172, 129090), (2340, 119822), (2353, 119160), (2648, 105885), (2715, 103272), (2979, 94120), (3258, 86060), (3310, 84708), (3620, 77454), (3972, 70590), (4303, 65160), (4344, 64545), (4680, 59911), (4706, 59580), (4965, 56472), (5430, 51636), (5958, 47060), (6516, 43030), (6620, 42354), (7059, 39720), (7240, 38727), (7944, 35295), (8145, 34424), (8606, 32580), (9412, 29790), (9930, 28236), (10860, 25818), (11765, 23832), (11916, 23530), (12909, 21720), (13032, 21515), (13240, 21177), (14118, 19860), (14895, 18824), (16290, 17212)]