251604480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{181}}^2$

素因数の和:388

約数の個数: 120

約数和(自身を含む): 808816536

約数和(自身を除く): 557212056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 240, 256, 320, 362, 384, 480, 512, 543, 640, 724, 768, 905, 960, 1086, 1280, 1448, 1536, 1810, 1920, 2172, 2560, 2715, 2896, 3620, 3840, 4344, 5430, 5792, 7240, 7680, 8688, 10860, 11584, 14480, 17376, 21720, 23168, 28960, 32761, 34752, 43440, 46336, 57920, 65522, 69504, 86880, 92672, 98283, 115840, 131044, 139008, 163805, 173760, 196566, 231680, 262088, 278016, 327610, 347520, 393132, 463360, 491415, 524176, 655220, 695040, 786264, 982830, 1048352, 1310440, 1390080, 1572528, 1965660, 2096704, 2620880, 3145056, 3931320, 4193408, 5241760, 6290112, 7862640, 8386816, 10483520, 12580224, 15725280, 16773632, 20967040, 25160448, 31450560, 41934080, 50320896, 62901120, 83868160, 125802240, 251604480]

約数ペア:

[(1, 251604480), (2, 125802240), (3, 83868160), (4, 62901120), (5, 50320896), (6, 41934080), (8, 31450560), (10, 25160448), (12, 20967040), (15, 16773632), (16, 15725280), (20, 12580224), (24, 10483520), (30, 8386816), (32, 7862640), (40, 6290112), (48, 5241760), (60, 4193408), (64, 3931320), (80, 3145056), (96, 2620880), (120, 2096704), (128, 1965660), (160, 1572528), (181, 1390080), (192, 1310440), (240, 1048352), (256, 982830), (320, 786264), (362, 695040), (384, 655220), (480, 524176), (512, 491415), (543, 463360), (640, 393132), (724, 347520), (768, 327610), (905, 278016), (960, 262088), (1086, 231680), (1280, 196566), (1448, 173760), (1536, 163805), (1810, 139008), (1920, 131044), (2172, 115840), (2560, 98283), (2715, 92672), (2896, 86880), (3620, 69504), (3840, 65522), (4344, 57920), (5430, 46336), (5792, 43440), (7240, 34752), (7680, 32761), (8688, 28960), (10860, 23168), (11584, 21720), (14480, 17376)]