321609960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2285

約数の個数: 256

約数和(自身を含む): 1290240000

約数和(自身を除く): 968630040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2239, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4478, 4788, 5130, 5320, 5985, 6717, 6840, 7182, 7560, 7980, 8956, 9576, 10260, 11195, 11970, 13434, 14364, 15673, 15960, 17912, 17955, 20151, 20520, 22390, 23940, 26868, 28728, 31346, 33585, 35910, 40302, 42541, 44780, 47019, 47880, 53736, 60453, 62692, 67170, 71820, 78365, 80604, 85082, 89560, 94038, 100755, 120906, 125384, 127623, 134340, 141057, 143640, 156730, 161208, 170164, 188076, 201510, 212705, 235095, 241812, 255246, 268680, 282114, 297787, 302265, 313460, 340328, 376152, 382869, 403020, 423171, 425410, 470190, 483624, 510492, 564228, 595574, 604530, 626920, 638115, 705285, 765738, 806040, 846342, 850820, 893361, 940380, 1020984, 1128456, 1148607, 1191148, 1209060, 1276230, 1410570, 1488935, 1531476, 1692684, 1701640, 1786722, 1880760, 1914345, 2115855, 2297214, 2382296, 2418120, 2552460, 2680083, 2821140, 2977870, 3062952, 3385368, 3573444, 3828690, 4231710, 4466805, 4594428, 5104920, 5360166, 5642280, 5743035, 5955740, 7146888, 7657380, 8040249, 8463420, 8933610, 9188856, 10720332, 11486070, 11911480, 13400415, 15314760, 16080498, 16926840, 17867220, 21440664, 22972140, 26800830, 32160996, 35734440, 40201245, 45944280, 53601660, 64321992, 80402490, 107203320, 160804980, 321609960]

約数ペア:

[(1, 321609960), (2, 160804980), (3, 107203320), (4, 80402490), (5, 64321992), (6, 53601660), (7, 45944280), (8, 40201245), (9, 35734440), (10, 32160996), (12, 26800830), (14, 22972140), (15, 21440664), (18, 17867220), (19, 16926840), (20, 16080498), (21, 15314760), (24, 13400415), (27, 11911480), (28, 11486070), (30, 10720332), (35, 9188856), (36, 8933610), (38, 8463420), (40, 8040249), (42, 7657380), (45, 7146888), (54, 5955740), (56, 5743035), (57, 5642280), (60, 5360166), (63, 5104920), (70, 4594428), (72, 4466805), (76, 4231710), (84, 3828690), (90, 3573444), (95, 3385368), (105, 3062952), (108, 2977870), (114, 2821140), (120, 2680083), (126, 2552460), (133, 2418120), (135, 2382296), (140, 2297214), (152, 2115855), (168, 1914345), (171, 1880760), (180, 1786722), (189, 1701640), (190, 1692684), (210, 1531476), (216, 1488935), (228, 1410570), (252, 1276230), (266, 1209060), (270, 1191148), (280, 1148607), (285, 1128456), (315, 1020984), (342, 940380), (360, 893361), (378, 850820), (380, 846342), (399, 806040), (420, 765738), (456, 705285), (504, 638115), (513, 626920), (532, 604530), (540, 595574), (570, 564228), (630, 510492), (665, 483624), (684, 470190), (756, 425410), (760, 423171), (798, 403020), (840, 382869), (855, 376152), (945, 340328), (1026, 313460), (1064, 302265), (1080, 297787), (1140, 282114), (1197, 268680), (1260, 255246), (1330, 241812), (1368, 235095), (1512, 212705), (1596, 201510), (1710, 188076), (1890, 170164), (1995, 161208), (2052, 156730), (2239, 143640), (2280, 141057), (2394, 134340), (2520, 127623), (2565, 125384), (2660, 120906), (3192, 100755), (3420, 94038), (3591, 89560), (3780, 85082), (3990, 80604), (4104, 78365), (4478, 71820), (4788, 67170), (5130, 62692), (5320, 60453), (5985, 53736), (6717, 47880), (6840, 47019), (7182, 44780), (7560, 42541), (7980, 40302), (8956, 35910), (9576, 33585), (10260, 31346), (11195, 28728), (11970, 26868), (13434, 23940), (14364, 22390), (15673, 20520), (15960, 20151), (17912, 17955)]