213307920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42323}}^1$

素因数の和:42349

約数の個数: 120

約数和(自身を含む): 818715456

約数和(自身を除く): 605407536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42323, 84646, 126969, 169292, 211615, 253938, 296261, 338584, 380907, 423230, 507876, 592522, 634845, 677168, 761814, 846460, 888783, 1015752, 1185044, 1269690, 1481305, 1523628, 1692920, 1777566, 1904535, 2031504, 2370088, 2539380, 2666349, 2962610, 3047256, 3385840, 3555132, 3809070, 4443915, 4740176, 5078760, 5332698, 5925220, 6094512, 7110264, 7618140, 8887830, 10157520, 10665396, 11850440, 13331745, 14220528, 15236280, 17775660, 21330792, 23700880, 26663490, 30472560, 35551320, 42661584, 53326980, 71102640, 106653960, 213307920]

約数ペア:

[(1, 213307920), (2, 106653960), (3, 71102640), (4, 53326980), (5, 42661584), (6, 35551320), (7, 30472560), (8, 26663490), (9, 23700880), (10, 21330792), (12, 17775660), (14, 15236280), (15, 14220528), (16, 13331745), (18, 11850440), (20, 10665396), (21, 10157520), (24, 8887830), (28, 7618140), (30, 7110264), (35, 6094512), (36, 5925220), (40, 5332698), (42, 5078760), (45, 4740176), (48, 4443915), (56, 3809070), (60, 3555132), (63, 3385840), (70, 3047256), (72, 2962610), (80, 2666349), (84, 2539380), (90, 2370088), (105, 2031504), (112, 1904535), (120, 1777566), (126, 1692920), (140, 1523628), (144, 1481305), (168, 1269690), (180, 1185044), (210, 1015752), (240, 888783), (252, 846460), (280, 761814), (315, 677168), (336, 634845), (360, 592522), (420, 507876), (504, 423230), (560, 380907), (630, 338584), (720, 296261), (840, 253938), (1008, 211615), (1260, 169292), (1680, 126969), (2520, 84646), (5040, 42323)]