408574920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1447}}^1$

素因数の和:1655

約数の個数: 128

約数和(自身を含む): 1328221440

約数和(自身を除く): 919646520

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, 181, 195, 260, 312, 362, 390, 520, 543, 724, 780, 905, 1086, 1447, 1448, 1560, 1810, 2172, 2353, 2715, 2894, 3620, 4341, 4344, 4706, 5430, 5788, 7059, 7235, 7240, 8682, 9412, 10860, 11576, 11765, 14118, 14470, 17364, 18811, 18824, 21705, 21720, 23530, 28236, 28940, 34728, 35295, 37622, 43410, 47060, 56433, 56472, 57880, 70590, 75244, 86820, 94055, 94120, 112866, 141180, 150488, 173640, 188110, 225732, 261907, 282165, 282360, 376220, 451464, 523814, 564330, 752440, 785721, 1047628, 1128660, 1309535, 1571442, 2095256, 2257320, 2619070, 3142884, 3404791, 3928605, 5238140, 6285768, 6809582, 7857210, 10214373, 10476280, 13619164, 15714420, 17023955, 20428746, 27238328, 31428840, 34047910, 40857492, 51071865, 68095820, 81714984, 102143730, 136191640, 204287460, 408574920]

約数ペア:

[(1, 408574920), (2, 204287460), (3, 136191640), (4, 102143730), (5, 81714984), (6, 68095820), (8, 51071865), (10, 40857492), (12, 34047910), (13, 31428840), (15, 27238328), (20, 20428746), (24, 17023955), (26, 15714420), (30, 13619164), (39, 10476280), (40, 10214373), (52, 7857210), (60, 6809582), (65, 6285768), (78, 5238140), (104, 3928605), (120, 3404791), (130, 3142884), (156, 2619070), (181, 2257320), (195, 2095256), (260, 1571442), (312, 1309535), (362, 1128660), (390, 1047628), (520, 785721), (543, 752440), (724, 564330), (780, 523814), (905, 451464), (1086, 376220), (1447, 282360), (1448, 282165), (1560, 261907), (1810, 225732), (2172, 188110), (2353, 173640), (2715, 150488), (2894, 141180), (3620, 112866), (4341, 94120), (4344, 94055), (4706, 86820), (5430, 75244), (5788, 70590), (7059, 57880), (7235, 56472), (7240, 56433), (8682, 47060), (9412, 43410), (10860, 37622), (11576, 35295), (11765, 34728), (14118, 28940), (14470, 28236), (17364, 23530), (18811, 21720), (18824, 21705)]