399912240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18311}}^1$

素因数の和:18347

約数の個数: 160

約数和(自身を含む): 1525902336

約数和(自身を除く): 1125990096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 18311, 21840, 36622, 54933, 73244, 91555, 109866, 128177, 146488, 183110, 219732, 238043, 256354, 274665, 292976, 366220, 384531, 439464, 476086, 512708, 549330, 640885, 714129, 732440, 769062, 878928, 952172, 1025416, 1098660, 1190215, 1281770, 1428258, 1464880, 1538124, 1666301, 1904344, 1922655, 2050832, 2197320, 2380430, 2563540, 2856516, 3076248, 3332602, 3570645, 3808688, 3845310, 4394640, 4760860, 4998903, 5127080, 5713032, 6152496, 6665204, 7141290, 7690620, 8331505, 9521720, 9997806, 10254160, 11426064, 13330408, 14282580, 15381240, 16663010, 19043440, 19995612, 24994515, 26660816, 28565160, 30762480, 33326020, 39991224, 49989030, 57130320, 66652040, 79982448, 99978060, 133304080, 199956120, 399912240]

約数ペア:

[(1, 399912240), (2, 199956120), (3, 133304080), (4, 99978060), (5, 79982448), (6, 66652040), (7, 57130320), (8, 49989030), (10, 39991224), (12, 33326020), (13, 30762480), (14, 28565160), (15, 26660816), (16, 24994515), (20, 19995612), (21, 19043440), (24, 16663010), (26, 15381240), (28, 14282580), (30, 13330408), (35, 11426064), (39, 10254160), (40, 9997806), (42, 9521720), (48, 8331505), (52, 7690620), (56, 7141290), (60, 6665204), (65, 6152496), (70, 5713032), (78, 5127080), (80, 4998903), (84, 4760860), (91, 4394640), (104, 3845310), (105, 3808688), (112, 3570645), (120, 3332602), (130, 3076248), (140, 2856516), (156, 2563540), (168, 2380430), (182, 2197320), (195, 2050832), (208, 1922655), (210, 1904344), (240, 1666301), (260, 1538124), (273, 1464880), (280, 1428258), (312, 1281770), (336, 1190215), (364, 1098660), (390, 1025416), (420, 952172), (455, 878928), (520, 769062), (546, 732440), (560, 714129), (624, 640885), (728, 549330), (780, 512708), (840, 476086), (910, 439464), (1040, 384531), (1092, 366220), (1365, 292976), (1456, 274665), (1560, 256354), (1680, 238043), (1820, 219732), (2184, 183110), (2730, 146488), (3120, 128177), (3640, 109866), (4368, 91555), (5460, 73244), (7280, 54933), (10920, 36622), (18311, 21840)]