209879280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1319}}^1$

素因数の和:1368

約数の個数: 240

約数和(自身を含む): 804323520

約数和(自身を除く): 594444240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1319, 1326, 1360, 1530, 1560, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2638, 2652, 3060, 3120, 3315, 3536, 3957, 3978, 4080, 4420, 4680, 5276, 5304, 6120, 6595, 6630, 7914, 7956, 8840, 9360, 9945, 10552, 10608, 11871, 12240, 13190, 13260, 15828, 15912, 17147, 17680, 19785, 19890, 21104, 22423, 23742, 26380, 26520, 31656, 31824, 34294, 39570, 39780, 44846, 47484, 51441, 52760, 53040, 59355, 63312, 67269, 68588, 79140, 79560, 85735, 89692, 94968, 102882, 105520, 112115, 118710, 134538, 137176, 154323, 158280, 159120, 171470, 179384, 189936, 201807, 205764, 224230, 237420, 257205, 269076, 274352, 291499, 308646, 316560, 336345, 342940, 358768, 403614, 411528, 448460, 474840, 514410, 538152, 582998, 617292, 672690, 685880, 771615, 807228, 823056, 874497, 896920, 949680, 1009035, 1028820, 1076304, 1165996, 1234584, 1345380, 1371760, 1457495, 1543230, 1614456, 1748994, 1793840, 2018070, 2057640, 2331992, 2469168, 2623491, 2690760, 2914990, 3086460, 3228912, 3497988, 4036140, 4115280, 4372485, 4663984, 5246982, 5381520, 5829980, 6172920, 6995976, 8072280, 8744970, 10493964, 11659960, 12345840, 13117455, 13991952, 16144560, 17489940, 20987928, 23319920, 26234910, 34979880, 41975856, 52469820, 69959760, 104939640, 209879280]

約数ペア:

[(1, 209879280), (2, 104939640), (3, 69959760), (4, 52469820), (5, 41975856), (6, 34979880), (8, 26234910), (9, 23319920), (10, 20987928), (12, 17489940), (13, 16144560), (15, 13991952), (16, 13117455), (17, 12345840), (18, 11659960), (20, 10493964), (24, 8744970), (26, 8072280), (30, 6995976), (34, 6172920), (36, 5829980), (39, 5381520), (40, 5246982), (45, 4663984), (48, 4372485), (51, 4115280), (52, 4036140), (60, 3497988), (65, 3228912), (68, 3086460), (72, 2914990), (78, 2690760), (80, 2623491), (85, 2469168), (90, 2331992), (102, 2057640), (104, 2018070), (117, 1793840), (120, 1748994), (130, 1614456), (136, 1543230), (144, 1457495), (153, 1371760), (156, 1345380), (170, 1234584), (180, 1165996), (195, 1076304), (204, 1028820), (208, 1009035), (221, 949680), (234, 896920), (240, 874497), (255, 823056), (260, 807228), (272, 771615), (306, 685880), (312, 672690), (340, 617292), (360, 582998), (390, 538152), (408, 514410), (442, 474840), (468, 448460), (510, 411528), (520, 403614), (585, 358768), (612, 342940), (624, 336345), (663, 316560), (680, 308646), (720, 291499), (765, 274352), (780, 269076), (816, 257205), (884, 237420), (936, 224230), (1020, 205764), (1040, 201807), (1105, 189936), (1170, 179384), (1224, 171470), (1319, 159120), (1326, 158280), (1360, 154323), (1530, 137176), (1560, 134538), (1768, 118710), (1872, 112115), (1989, 105520), (2040, 102882), (2210, 94968), (2340, 89692), (2448, 85735), (2638, 79560), (2652, 79140), (3060, 68588), (3120, 67269), (3315, 63312), (3536, 59355), (3957, 53040), (3978, 52760), (4080, 51441), (4420, 47484), (4680, 44846), (5276, 39780), (5304, 39570), (6120, 34294), (6595, 31824), (6630, 31656), (7914, 26520), (7956, 26380), (8840, 23742), (9360, 22423), (9945, 21104), (10552, 19890), (10608, 19785), (11871, 17680), (12240, 17147), (13190, 15912), (13260, 15828)]