68320620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 222899040

約数和(自身を除く): 154578420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 83, 85, 90, 102, 153, 166, 170, 180, 204, 249, 255, 269, 306, 332, 340, 415, 498, 510, 538, 612, 747, 765, 807, 830, 996, 1020, 1076, 1245, 1345, 1411, 1494, 1530, 1614, 1660, 2421, 2490, 2690, 2822, 2988, 3060, 3228, 3735, 4035, 4233, 4573, 4842, 4980, 5380, 5644, 7055, 7470, 8070, 8466, 9146, 9684, 12105, 12699, 13719, 14110, 14940, 16140, 16932, 18292, 21165, 22327, 22865, 24210, 25398, 27438, 28220, 41157, 42330, 44654, 45730, 48420, 50796, 54876, 63495, 66981, 68595, 82314, 84660, 89308, 91460, 111635, 126990, 133962, 137190, 164628, 200943, 205785, 223270, 253980, 267924, 274380, 334905, 379559, 401886, 411570, 446540, 669810, 759118, 803772, 823140, 1004715, 1138677, 1339620, 1518236, 1897795, 2009430, 2277354, 3416031, 3795590, 4018860, 4554708, 5693385, 6832062, 7591180, 11386770, 13664124, 17080155, 22773540, 34160310, 68320620]

約数ペア:

[(1, 68320620), (2, 34160310), (3, 22773540), (4, 17080155), (5, 13664124), (6, 11386770), (9, 7591180), (10, 6832062), (12, 5693385), (15, 4554708), (17, 4018860), (18, 3795590), (20, 3416031), (30, 2277354), (34, 2009430), (36, 1897795), (45, 1518236), (51, 1339620), (60, 1138677), (68, 1004715), (83, 823140), (85, 803772), (90, 759118), (102, 669810), (153, 446540), (166, 411570), (170, 401886), (180, 379559), (204, 334905), (249, 274380), (255, 267924), (269, 253980), (306, 223270), (332, 205785), (340, 200943), (415, 164628), (498, 137190), (510, 133962), (538, 126990), (612, 111635), (747, 91460), (765, 89308), (807, 84660), (830, 82314), (996, 68595), (1020, 66981), (1076, 63495), (1245, 54876), (1345, 50796), (1411, 48420), (1494, 45730), (1530, 44654), (1614, 42330), (1660, 41157), (2421, 28220), (2490, 27438), (2690, 25398), (2822, 24210), (2988, 22865), (3060, 22327), (3228, 21165), (3735, 18292), (4035, 16932), (4233, 16140), (4573, 14940), (4842, 14110), (4980, 13719), (5380, 12699), (5644, 12105), (7055, 9684), (7470, 9146), (8070, 8466)]