1225306680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3947}}^1$

素因数の和:4173

約数の個数: 128

約数和(自身を含む): 3979584000

約数和(自身を除く): 2754277320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 199, 260, 312, 390, 398, 520, 597, 780, 796, 995, 1194, 1560, 1592, 1990, 2388, 2587, 2985, 3947, 3980, 4776, 5174, 5970, 7761, 7894, 7960, 10348, 11841, 11940, 12935, 15522, 15788, 19735, 20696, 23682, 23880, 25870, 31044, 31576, 38805, 39470, 47364, 51311, 51740, 59205, 62088, 77610, 78940, 94728, 102622, 103480, 118410, 153933, 155220, 157880, 205244, 236820, 256555, 307866, 310440, 410488, 473640, 513110, 615732, 769665, 785453, 1026220, 1231464, 1539330, 1570906, 2052440, 2356359, 3078660, 3141812, 3927265, 4712718, 6157320, 6283624, 7854530, 9425436, 10210889, 11781795, 15709060, 18850872, 20421778, 23563590, 30632667, 31418120, 40843556, 47127180, 51054445, 61265334, 81687112, 94254360, 102108890, 122530668, 153163335, 204217780, 245061336, 306326670, 408435560, 612653340, 1225306680]

約数ペア:

[(1, 1225306680), (2, 612653340), (3, 408435560), (4, 306326670), (5, 245061336), (6, 204217780), (8, 153163335), (10, 122530668), (12, 102108890), (13, 94254360), (15, 81687112), (20, 61265334), (24, 51054445), (26, 47127180), (30, 40843556), (39, 31418120), (40, 30632667), (52, 23563590), (60, 20421778), (65, 18850872), (78, 15709060), (104, 11781795), (120, 10210889), (130, 9425436), (156, 7854530), (195, 6283624), (199, 6157320), (260, 4712718), (312, 3927265), (390, 3141812), (398, 3078660), (520, 2356359), (597, 2052440), (780, 1570906), (796, 1539330), (995, 1231464), (1194, 1026220), (1560, 785453), (1592, 769665), (1990, 615732), (2388, 513110), (2587, 473640), (2985, 410488), (3947, 310440), (3980, 307866), (4776, 256555), (5174, 236820), (5970, 205244), (7761, 157880), (7894, 155220), (7960, 153933), (10348, 118410), (11841, 103480), (11940, 102622), (12935, 94728), (15522, 78940), (15788, 77610), (19735, 62088), (20696, 59205), (23682, 51740), (23880, 51311), (25870, 47364), (31044, 39470), (31576, 38805)]