285381720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 288

約数和(自身を含む): 1066075920

約数和(自身を除く): 780694200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 211, 221, 234, 255, 260, 289, 306, 312, 340, 360, 390, 408, 422, 442, 468, 510, 520, 578, 585, 612, 633, 663, 680, 765, 780, 844, 867, 884, 936, 1020, 1055, 1105, 1156, 1170, 1224, 1266, 1326, 1445, 1530, 1560, 1688, 1734, 1768, 1899, 1989, 2040, 2110, 2210, 2312, 2340, 2532, 2601, 2652, 2743, 2890, 3060, 3165, 3315, 3468, 3587, 3757, 3798, 3978, 4220, 4335, 4420, 4680, 5064, 5202, 5304, 5486, 5780, 6120, 6330, 6630, 6936, 7174, 7514, 7596, 7956, 8229, 8440, 8670, 8840, 9495, 9945, 10404, 10761, 10972, 11271, 11560, 12660, 13005, 13260, 13715, 14348, 15028, 15192, 15912, 16458, 17340, 17935, 18785, 18990, 19890, 20808, 21522, 21944, 22542, 24687, 25320, 26010, 26520, 27430, 28696, 30056, 32283, 32916, 33813, 34680, 35870, 37570, 37980, 39780, 41145, 43044, 45084, 46631, 49374, 52020, 53805, 54860, 56355, 60979, 64566, 65832, 67626, 71740, 75140, 75960, 79560, 82290, 86088, 90168, 93262, 98748, 104040, 107610, 109720, 112710, 121958, 123435, 129132, 135252, 139893, 143480, 150280, 161415, 164580, 169065, 182937, 186524, 197496, 215220, 225420, 233155, 243916, 246870, 258264, 270504, 279786, 304895, 322830, 329160, 338130, 365874, 373048, 419679, 430440, 450840, 466310, 487832, 493740, 548811, 559572, 609790, 645660, 676260, 699465, 731748, 792727, 839358, 914685, 932620, 987480, 1097622, 1119144, 1219580, 1291320, 1352520, 1398930, 1463496, 1585454, 1678716, 1829370, 1865240, 2098395, 2195244, 2378181, 2439160, 2744055, 2797860, 3170908, 3357432, 3658740, 3963635, 4196790, 4390488, 4756362, 5488110, 5595720, 6341816, 7134543, 7317480, 7927270, 8393580, 9512724, 10976220, 11890905, 14269086, 15854540, 16787160, 19025448, 21952440, 23781810, 28538172, 31709080, 35672715, 47563620, 57076344, 71345430, 95127240, 142690860, 285381720]

約数ペア:

[(1, 285381720), (2, 142690860), (3, 95127240), (4, 71345430), (5, 57076344), (6, 47563620), (8, 35672715), (9, 31709080), (10, 28538172), (12, 23781810), (13, 21952440), (15, 19025448), (17, 16787160), (18, 15854540), (20, 14269086), (24, 11890905), (26, 10976220), (30, 9512724), (34, 8393580), (36, 7927270), (39, 7317480), (40, 7134543), (45, 6341816), (51, 5595720), (52, 5488110), (60, 4756362), (65, 4390488), (68, 4196790), (72, 3963635), (78, 3658740), (85, 3357432), (90, 3170908), (102, 2797860), (104, 2744055), (117, 2439160), (120, 2378181), (130, 2195244), (136, 2098395), (153, 1865240), (156, 1829370), (170, 1678716), (180, 1585454), (195, 1463496), (204, 1398930), (211, 1352520), (221, 1291320), (234, 1219580), (255, 1119144), (260, 1097622), (289, 987480), (306, 932620), (312, 914685), (340, 839358), (360, 792727), (390, 731748), (408, 699465), (422, 676260), (442, 645660), (468, 609790), (510, 559572), (520, 548811), (578, 493740), (585, 487832), (612, 466310), (633, 450840), (663, 430440), (680, 419679), (765, 373048), (780, 365874), (844, 338130), (867, 329160), (884, 322830), (936, 304895), (1020, 279786), (1055, 270504), (1105, 258264), (1156, 246870), (1170, 243916), (1224, 233155), (1266, 225420), (1326, 215220), (1445, 197496), (1530, 186524), (1560, 182937), (1688, 169065), (1734, 164580), (1768, 161415), (1899, 150280), (1989, 143480), (2040, 139893), (2110, 135252), (2210, 129132), (2312, 123435), (2340, 121958), (2532, 112710), (2601, 109720), (2652, 107610), (2743, 104040), (2890, 98748), (3060, 93262), (3165, 90168), (3315, 86088), (3468, 82290), (3587, 79560), (3757, 75960), (3798, 75140), (3978, 71740), (4220, 67626), (4335, 65832), (4420, 64566), (4680, 60979), (5064, 56355), (5202, 54860), (5304, 53805), (5486, 52020), (5780, 49374), (6120, 46631), (6330, 45084), (6630, 43044), (6936, 41145), (7174, 39780), (7514, 37980), (7596, 37570), (7956, 35870), (8229, 34680), (8440, 33813), (8670, 32916), (8840, 32283), (9495, 30056), (9945, 28696), (10404, 27430), (10761, 26520), (10972, 26010), (11271, 25320), (11560, 24687), (12660, 22542), (13005, 21944), (13260, 21522), (13715, 20808), (14348, 19890), (15028, 18990), (15192, 18785), (15912, 17935), (16458, 17340)]